Chapter 33B: An Introduction to Vertebrates II The Bilateria. 1. Lophotrochozoa 2. Ecdysozoa 3. Deuterostomia
|
|
- Annabel Oliver
- 5 years ago
- Views:
Transcription
1 Chapter 33B: An Introduction to Vertebrates II The Bilateria 1. Lophotrochozoa 2. Ecdysozoa 3. Deuterostomia
2 Invertebrates Porifera ANCESTRAL PROTIST Cnidaria Common ancestor of all animals Eumetazoa Bilateria Lophotrochozoa Ecdysozoa Deuterostomia
3 Characteristics of Bilaterians Bilaterians have the following characteristics: body plans with bilateral symmetry triploblastic development endoderm, ectoderm & mesoderm most have a coelom and 2 digestive openings mouth & anus The Bilaterians consist of 3 major clades: LOPHOTROCHOZOA ECDYSOZOA DEUTEROSTOMIA
4 1. Lophotrochozoa Porifera Cnidaria Lophotrochozoa Ecdysozoa Deuterostomia Bilateria
5 Overview of the Lophotrochozoa The clade Lophotrochozoa is based largely on molecular (DNA) data, however there are other features that members of this group tend to share: some have a lophophore a ring of ciliated tentacles surrounding the mouth some have a trochophore larval stage free swimming ciliated larva includes the following groups of animals: flatworms, rotifers, ectoprocts, brachiopods, molluscs & annelids
6 The Flatworms (Phylum Platyhelminthes) The flatworms have the following general characteristics: they are triploblastic acoelomates they have a proctostome a single opening to a gastrovascular cavity gas exchange occurs by diffusion at the body surface osmotic balance is maintained through protonephrida ( pre-kidneys ) Flatworms have no circulatory system, so their flat shape increases the surface area for the exchange of gases and other materials.
7 MAKE CONNECTIONS: Maximizing Surface Area Flattening Folding Maximizing Surface Area SA: 6 (3 cm 3 cm) = 54 cm 2 V: 3 cm 3 cm 3 cm = 27 cm 3 SA: 2 (3 cm 1 cm) + 2 (9 cm 1 cm) + 2 (3 cm 9 cm) = 78 cm 2 V: 1 cm 3 cm 9 cm = 27 cm 3 Diagrams comparing surface area (SA) for two different shapes with the same volume (V) Branching Projections 1 µm Thylakoid nutrient & waste exchange are most efficient the greater the surface area relative to the volume of the organism increased through flattening & folding
8 Planarians The main lineage of flatworms is the Rhabditophorans which includes the planarians, flukes and tapeworms. planarians live in fresh water & prey on smaller animals Pharynx planarians have light sensitive eyespots and centralized nerve nets more complex than the cnidarians Ventral nerve cords Mouth Eyespots Ganglia Gastrovascular cavity They are hermaphrodites that can reproduce sexually or asexually through fission (splitting in two and regrowing the missing half)
9 Trematodes (Flukes) All flukes are parasites with Human host Male complex life cycles involving Female multiple hosts. 1 mm flukes parasitic to humans (e.g., liver flukes, lung flukes & blood flukes) have life cycles that involve snail species Motile larva Blood Fluke Life Cycle Mature flukes Ciliated larva Snail host
10 Cestodes (Tapeworms) All tapeworms are also parasites with life cycles involving multiple hosts. absorb digested nutrients in the host s intestine 100 µm attach to the intestinal wall via hooks and suckers on the scolex produce progressively mature reproductive segments called proglottids that detach from the distal end full of eggs and pass out with host feces Proglottids with reproductive structures Hooks Sucker Scolex
11 Rotifers Rotifers (phylum Rotifera) tiny aquatic animals smaller than many protists. have a pseudocoelom and specialized organs Jaws Crown of cilia around mouth Anus Stomach 0.1 mm
12 Lophophorates: Ectoprocts & Brachiopods Lophophorates have a true coelom and ciliated tentacles around the mouth. ectoprocts are sessile filter feeders with a hard exoskeleton Lophophore Creeping bryozoan, an ectoproct brachiopods have a hinged shell similar to some molluscs and are typically attached to the sea floor Lophophore Lampshell, a brachiopod
13 Molluscs The phylum Mollusca includes animals having a general body plan consisting of a muscular foot, visceral mass, and mantle: Mantle cavity Anus Metanephridium Gill Mantle Coelom Visceral mass Heart Gonads Intestine Digestive tract Stomach Shell Radula Mouth Foot Nerve cords Esophagus Mouth Radula
14 more on Molluscs Molluscs also have the following features: most species have separate sexes though some such as the snails are hermaphrodites many have ciliated trochophore larval stages most have a water-filled mantle cavity and feed with a radula Molluscs are divided into 4 main classes: POLYPLACOPHORA BIVALVES GASTROPODS CEPHALOPODS
15 Polyplacophora (Chitons) Chitons are marine animals armored with 8 dorsal plates. adhere to rocky surfaces via a muscular foot and feed on algae
16 Gastropods Most gastropods (e.g., snails, slugs, abalone) have a single spiral shell, are herbivores, and move slowly via a muscular foot. ~3/4 of all molluscs are gastropods (a) A land snail (b) A sea slug (nudibranch) most are marine though some live in fresh water or are terrestrial
17 Bivalves Bivalves (e.g., clams, oysters, mussels, scallops) are filter feeders with a shell divided into 2 hinged halves and a mantle cavity with gills used for gas exchange. Coelom Mantle Digestive gland Mouth Hinge area Gut Heart Adductor muscle (one of two) Anus Excurrent siphon Shell Palp Foot Mantle cavity Gonad Gill Water flow Incurrent siphon
18 Cephalopods Squid Cephalopods have beak-like jaws surrounded by tentacles derived from a modified foot. includes species of octopus, squid, cuttlefish & nautilus Octopus have closed circulatory system and complex nervous system (considered the most intelligent invertebrates) Chambered nautilus
19 Annelids Annelids are coelomates with segmented body composed of a series of fused rings, that fall into 2 distinct clades ERRANTIA and SEDENTARIA: Parapodia the ERRANTIA contain pairs of parapodia on each segment, each with numerous chaetae bristles made of chitin
20 Sedentarians Sedentarians tend to be less mobile than errantians, many of which burrow into the surrounding substrate or live in protective tubes: tube-dwelling sedentarians typically have elaborate gills or tentacles used for filter feeding this clade also includes the earthworms & leeches
21 Earthworms earthworms are a good example of annelids, having a closed circulatory system and a complete digestive tract (mouth & anus) Anus Skin Chaetae Circular muscle Longitudinal muscle Dorsal vessel Intestine Nephrostome Epidermis Cuticle Coelom Fused Ventral vessel nerve cords Septum (partition between segments) Metanephridium Cerebral ganglia Mouth Esophagus Pharynx Subpharyngeal ganglion Clitellum Crop Circulatory system vessels Metanephridium Intestine Gizzard Ventral nerve cords
22 2. Ecdysozoa Porifera Cnidaria Lophotrochozoa Ecdysozoa Deuterostomia
23 Overview of the Ecdysozoa The clade Ecdysozoa is the most diverse group of animals, most of which are covered by a tough cuticle that is periodically shed and replaced by molting. The 2 largest phyla are the: NEMATODA (roundworms) ARTHROPODA
24 Nematodes The Nematodes or roundworms have a complete digestive tract but lack a circulatory system. some such as Trichinella are parasites that live and feed in animal tissues Encysted juveniles Muscle tissue 50 µm
25 Arthropods 2/3 of all animal species are arthropods which have the following general features. a segmented body with a hard exoskeleton made of chitin and protein that is molted as it grows jointed appendages that come in pairs Arthropoda (1,000,000 species) open circulatory system A scorpion (an arachnid)
26 Cephalothorax Abdomen Arthropod Antennae (sensory reception) Thorax Head Eye Body Plan Swimming appendages (one pair per abdominal segment) Pincer (defense) Mouthparts (feeding) Walking legs
27 3 Major Lineages of Arthropod CHELICERATES arachnids, horseshoe crabs MYRIAPODS centipedes, millipedes PANCRUSTACEANS insects, crustaceans
28 Chelicerates Most marine chelicerates are extinct with the exception of the horseshoe crabs. The vast majority of living chelicerates are the terrestrial arachnids
29 Arachnids Scorpion 50 µm Arachnids include spiders, mites, ticks & scorpions. Arachnids have 6 pairs of appendages, 4 of which are walking legs. Heart Dust mite Web-building spider Book lungs Chelicera Pedipalp
30 Myriapods millipedes have 2 pairs of legs per segment and eat decaying plant matter (a) Millipede centipedes have 1 pair of legs per segment and are carnivorous (b) Centipede
31 Pancrustaceans Insects Common ancestor of arthropods Remipedians (a crustacean group) Other crustaceans Myriapods Chelicerates
32 Crustaceans crustaceans are mostly aquatic (crabs, shrimp, barnacles, krill, etc) also includes the terrestrial isopods (pill bugs)
33 Insects The clade Hexapoda includes all insects and their relatives, most of which are terrestrial. have complex organ systems many are capable of flight
34 Abdomen Thorax Head Compound eye Antennae Anatomy of an Insect Anus Heart Dorsal artery Crop Cerebral ganglion Vagina Malpighian tubules Ovary Tracheal tubes Nerve cords Mouthparts
35 many insects undergo complete metamorphosis in which the larval and adult stages are very different Metamorphosis (a) Larva (caterpillar) (b) Pupa (c) Later stage pupa (d) Emerging adult (e) Adult others undergo incomplete metamorphosis in which the larval and adult stages resemble each other
36 3. Deuterostomes Porifera Cnidaria Lophotrochozoa Ecdysozoa Deuterostomia
37 Overview of the Deuterostomes The clade Deuterostomia includes species with radial cleavage and an anus derived from the blastopore and contains 2 major lineages: ECHINODERMATA sea stars, urchins, sand dollars, etc. CHORDATA (to be addressed in chapter 34) all vertebrates and a few invertebrate chordates
38 Echinoderm Features Digestive tract Central disk Stomach Anus Spine Gills Madreporite Radial nerve adults have radial symmetry with multiples of 5 (larvae have bilateral symmetry) Digestive glands Radial canal Ring canal Gonads Ampulla Podium Tube feet have an endoskeleton of calcareous plates
39 Living echinoderms fall into one of 5 clades: ASTEROIDIA sea stars & sea daisies OPHIUROIDIA brittle stars ECHINOIDIA sea urchins & sand dollars CRINOIDIA sea lilies & feather stars HOLOTHUROIDIA sea cucumbers
40 Includes the sea stars which have 5 arms and prey on bivalves by prying them open. Asteroidia Also includes the sea daisies which absorb their nutrients.
41 Ophiuroidia Brittle Stars Brittle stars have a distinct central disc from which 5 slender arms extend. some species are predatory or scavengers and others are filter feeders
42 Echinodea Sea Urchins & Sand Dollars Sea urchins and sand dollars lack arms but have 5 rows of tube feet. urchins have spines for protection and feed on seaweeds
43 Crinodea Sea Lilies & Feather Stars Sea lilies are sessile while feather stars crawl using long flexible arms. Both are suspension feeders.
44 Holothuroidea Sea Cucumbers Sea cucumbers lack spines, have a reduced endoskeleton and 5 rows of tube feet.
Nematoda. Round worms Feeding and Parasitism
Nematoda Round worms Feeding and Parasitism Nematoda Have pseudocoelom Live in many environments Parasitic Important decomposers Covered with cuticle Trichinella spiralis see fig 18.8B Nematode Diets and
More informationUNIT: INVERTEBRATE ANIMALS 1º ESO BIOLOGY AND GEOLOGY
UNIT: INVERTEBRATE ANIMALS 1º ESO BIOLOGY AND GEOLOGY 2015/2016 What do they have in common? What are their differences? What is the theme for the next unit? Vertebrates and Invertebrates 1 Label the animals
More information2018 Copyright Jolie Canoli and Friends. For personal and educational use only. Find more resources at joliecanoli.com
PHYLUM: BODY PLANS After the classification of Kingdom comes the category Phylum. The Phylum category of Animals puts animals with similar body types together. There are many phylum, but we will study
More informationReview Inverts 4/17/15. What Invertebrates have we learned about so far? Porifera. Cnidaria. Ctenophora. Molluscs
Review Inverts What Invertebrates have we learned about so far? Porifera sponges Cnidaria jellyfishes, sea anemones, coral Ctenophora comb jellies Molluscs snails, bivalves, octopuses, squid, cuglefish
More informationAnimal Diversity 3. jointed appendages ventral nervous system hemocoel. - marine
Animal Diversity 3 Lab Goals To learn the bauplan (body plan) and identifying characteristics of the phyla Arthrodopa, Echinodermata, and Chordata along with the main subphyla and classes. Include, in
More informationAnimal Diversity Lecture 8 Winter 2014
Animal Phylogeny 1 Animal Diversity Lecture 8 Winter 2014 Fig. 32.10 Phylum Porifera (sponges) 2 Phylum Cnidaria (corals, jellies, hydras, sea anemones) 3a ~5,500 species Primarily marine Suspension feeders
More informationFlatworms Flatworms Platyhelminthes dorsoventrally free-living planarian parasitic fluke tapeworm label three body layers ectoderm mesoderm
Flatworms Flatworms are in the phylum Platyhelminthes. Flatworms are flattened dorsoventrally (top to bottom). The group includes the freshwater, free-living planarian and the parasitic fluke and tapeworm.
More informationPhylum Echinodermata. Biology 11
Phylum Echinodermata Biology 11 General characteristics Spiny Radial symmetry Water vascular system Endoskeleton Endoskeleton Hard, spiny, or bumpy endoskeleton covered with a thin epidermis. Endoskeleton
More informationChapter 7 Study Guide. True/False: If the statement is true, write True. If it is false explain why it is false.
Name: Date of Quiz: Per: Chapter 7 Study Guide Complete this study guide, using complete sentences when appropriate, and turn it in with all of your class notes on the day of the quiz. True/False: If the
More informationAP Biology. Animal Characteristics. Kingdom: Animals. Body Cavity. Animal Evolution. Invertebrate: Porifera. Invertebrate: Cnidaria.
Kingdom: Animals Eukarya Bacteria Archaea Eukarya Animal Characteristics Heterotrophs must ingest others for nutrients Multicellular complex bodies No cell walls allows active movement Sexual reproduction
More informationChapter Echinoderms & Invertebrate Chordates
Chapter 23.6+ Echinoderms & Invertebrate Chordates 1 Echinodermata Echino = spiny Derma = skin 2 Echinoderms - Examples Sea stars Sea urchins Sand dollars Sea cucumbers Brittle stars 3 Last Group of Invertebrates
More informationName Class Date. After you read this section, you should be able to answer these questions:
CHAPTER 14 2 The Animal Kingdom SECTION Introduction to Animals BEFORE YOU READ After you read this section, you should be able to answer these questions: What is diversity? What are vertebrates? What
More informationPhylum Echinodermata -sea stars, sand dollars, sea
Echinoderms Phylum Echinodermata -sea stars, sand dollars, sea urchins & sea cucumber -marine -deuterostomes -more closely related to chordates, than to other invertebrates -no head or any other sign of
More informationKingdom Animalia. All animals are multicellular organisms with real tissues and heterotrophic nutrition
Keywords Kingdom Animalia Poriferan, -s Coelenterate,-s Echinoderm, -s Mollusc, -s Medusa, -s Polyp, -s Arthropod, -s Arachnid, -s Crustacean, -s Myriapod, -s Radula Exoskeleton / endoskeleton Atrial cavity
More informationChapter 7. Marine Animals Without a Backbone
Chapter 7 Marine Animals Without a Backbone Echinoderms Characteristics of Phylum: Name means "Spiny Skin" Endoskeleton Skeleton on inside of body Covered by tissue All 7000 species exclusively marine
More informationConcept 1: sponges are basal animals that lack true tissues
Concept 1: sponges are basal animals that lack true tissues Sponges are basal animals ( arise from the base of animal tree) and lack true tissues. Sponges belong to phylum Porifera and are thought to be
More informationTopic 3: Animals Ch.17 Characteristics of Animals p.338. Distinguishing Characteristics pp
Topic 3: Animals Ch.17 Characteristics of Animals p.338 - Animals are: - Multicellular. - Ingestive heterotrophs. - Have a division of labour (tissues, organs, systems). - Motile at some stage in their
More informationChapter 11: Echinoderms. Spiny-skinned Invertebrates
Chapter 11: Echinoderms Spiny-skinned Invertebrates Echinoderms Kingdom: Animalia Phylum: Echinodermata ( spiny skin ) Invertebrates Radial symmetry No body segmentation Includes: sea stars, sea urchin,
More informationEchinoderms are marine animals with spiny endoskeletons, water-vascular systems, and tube feet; they have radial symmetry as adults.
Section 1: Echinoderms are marine animals with spiny endoskeletons, water-vascular systems, and tube feet; they have radial symmetry as adults. K What I Know W What I Want to Find Out L What I Learned
More informationUNIT 9. THE ANIMAL KINGDOM: INVERTEBRATES
UNIT 9. THE ANIMAL KINGDOM: INVERTEBRATES 1. The simplest invertebrates 2. Annelids, molluscs and echinoderms 3. Arthropods 4. Insects All living beings belong to the Animal Kingdom have got the following
More informationPhylum Mollusca Protostomes Lophotrochozoan group Eucoelomates (coelomates)
Phylum Mollusca Phylum Mollusca Protostomes Lophotrochozoan group Eucoelomates (coelomates) Tridacna gigas Tridacna squamosa Phylum Mollusca Soft Bodied Shelled Some without Cephalization Sensory organs
More informationtrue tissue Ancestral Protist
Phylum Mollusca Platyhelminthes Mollusca Arthropoda Chordata Porifera Cnidaria Nematoda Annelida Echinodermata acoelom pseudoc oelom Protostome: schizocoelem segmentation Deuterostomes: eucoelom radial
More informationVertebrate and Invertebrate Animals
Vertebrate and Invertebrate Animals Compare the characteristic structures of invertebrate animals (including sponges, segmented worms, echinoderms, mollusks, and arthropods) and vertebrate animals (fish,
More informationPhylum Arthropoda. Chapter 13 Part 2 of 3
Phylum Arthropoda Chapter 13 Part 2 of 3 Phylum Arthropoda: Jointed feet General Characteristics: Exoskeleton made of chitin present and must be molted when out grown, segmented body, Jointed appendages
More informationAll living things are classified into groups based on the traits they share. Taxonomy is the study of classification. The largest groups into which
All living things are classified into groups based on the traits they share. Taxonomy is the study of classification. The largest groups into which the scientists divide the groups are called kingdoms.
More informationAnimal phyla. Prior Knowledge Questions:
1 Name: Animal phyla Core: Prior Knowledge Questions: What do Tim & Moby say about Invertebrates? 2 Want to watch the video again? Go to Invertebrates Brainpop (Username: nfmsbrain password: pop) Word
More informationFigure 1. Numerical Distribution of Named Animal Taxa.
Arthropod Review Sheet The Phylum Arthropoda is the largest and most diverse of all animal phyla (Fig 1). More than three quarters of the animals on earth are arthropods, and most of these are insects.
More information4. List 3 characteristics of all arthropods. a. b. c. 5. Name 3 main arthropod groups.
Arthropod Coloring Worksheet Arthropods (jointed appendages) are a group of invertebrate animals in the Kingdom Animalia. All arthropods have a hard exoskeleton made of chitin, a body divided into segments,
More informationPage # Diversity of Arthropoda Crustacea Morphology. Diversity of Arthropoda. Diversity of Arthropoda. Diversity of Arthropoda. Arthropods, from last
Arthropods, from last time Crustacea are the dominant marine arthropods Crustacea are the dominant marine arthropods any terrestrial crustaceans? Should we call them shellfish? sowbugs 2 3 Crustacea Morphology
More informationSome Facts about... Amphibians
Amphibians Amphibians are cold-blooded vertebrates that live part of their lives in water and part on land. Amphibians eggs are laid in water and they are born there. They begin their lives with gills
More informationPhylum Mollusca (mollis, soft)
Phylum Mollusca Phylum Mollusca (mollis, soft) Body usually an anterior head, ventral foot and a dorsal visceral mass. Covered by a fleshy outgrowth of the body wall called a mantle. Shell if present is
More informationDiversity of Animals
Classifying Animals Diversity of Animals Animals can be classified and grouped based on similarities in their characteristics. Animals make up one of the major biological groups of classification. All
More informationEchinoderms. Copyright 2011 LessonSnips
Echinoderms The ocean is home to different creatures from animals that are found on land and the phylum of echinoderms is a prime example. The phylum Echinodermata is a scientific classification of simple
More informationInvertebrate Characteristic Lab
Insects Draw and list the Characteristics of the following insects: Grasshopper, Termite, Squash bug, Beetle, Butterfly, and Honey Bee. Make sure you match up all of the characteristics with each insect,
More informationThe Animal Kingdom. Animal Diversity. Key Concept Animals are a diverse group of organisms that have adaptations to live in water and on land.
2 The Animal Kingdom Key Concept Animals are a diverse group of organisms that have adaptations to live in water and on land. What You Will Learn The animal kingdom is made up of many different kinds of
More informationEchinodermata. BIO3334 Invertebrate Zoology. Page 1. Phylum Echinodermata. Extant Animalia ~1,300,000 species. Dipleurula larva.
Phylum Adrian Pingstone 1 Deuterostomia Blastopore becomes the anus Tripartite coelom Dipleurula larval stage Porifera Placozoa Cnidaria Ctenophora Platyhelminthes Gastrotricha Gnathostomulida Cycliophora
More informationMarine Invertebrate STUDY GUIDE
Marine Invertebrate STUDY GUIDE Invertebrate Basics: What do all invertebrates have in common? A. Phylum Porifera: Example organism: Symmetry: Movement Type: Feeding type: Pores: Ostia: Oscula: Choanocyte:
More informationDEUTEROSTOMES. This presentation contains copyrighted material under the educational fair use exemption to the U.S. copyright law.
DEUTEROSTOMES This presentation contains copyrighted material under the educational fair use exemption to the U.S. copyright law. Deuterostome Echinodermata body plan! Body plan! Larvae are bilateral!
More informationEchinodermata. BIO3334 Invertebrate Zoology. Page 1. Phylum Echinodermata. Dipleurula larva 1 4:43 AM. Deuterostomia
Phylum Adrian Pingstone 1 Deuterostomia Blastopore becomes the anus Tripartite coelom Dipleurula larval stage Porifera Placozoa Cnidaria Ctenophora Platyhelminthes Gastrotricha Gnathostomulida Cycliophora
More informationSection 1. Animal Development. Objectives. Echinoderms. Key Terms
Section 1 Echinoderms Objectives Compare the developmental pattern found in protostomes with that found in deuterostomes. 8B Describe the major characteristics of echinoderms. Summarize how the sea 8C
More informationMollusks. Ch. 13, pgs
Mollusks Ch. 13, pgs. 364-368 368 Characteristics of Mollusks Mollusks have Bilateral Symmetry Most mollusks live in water, but some live on land. Examples of mollusks are snails, clams, and squids. Body
More informationDIVERSITY IV Animalia II: Ecdysozoan Protostomes and Deuterostomes
NAME: PARTNER: DATE: DIVERSITY IV Animalia II: Ecdysozoan Protostomes and Deuterostomes In this laboratory session we will conclude our examination of organismal diversity by looking at the ecdysozoa the
More information1. Examine the specimens of sponges on the lab table. Which of these are true sponges? Explain your answers.
Station #1 - Porifera 1. Examine the specimens of sponges on the lab table. Which of these are true sponges? Explain your answers. 2. Sponges are said to have an internal special skeleton. Examine the
More informationPhylum Platyhelminthes Flatworms
Phylum Platyhelminthes Flatworms The Acoelomates The acoelomates are animals that lack a coelom. Acoelomates lack a body cavity, and instead the space between the body wall and the digestive tract is filled
More informationAnimals Classification
Animals Classification By Piyush & Ilaxi Grouping & Identifying Living Things 2 Classifying Living Things Classifying Living Things Biological Classification is the way in which scientists use to categorize
More informationKingdom Animalia. ii. iii.
Kingdom Animalia 1. General Measures of Complexity a. Embryonic development i. The embryos of all animals go through the same stages during development so this can t be used as a measure of development
More informationAnimal Diversity III: Mollusca and Deuterostomes
Animal Diversity III: Mollusca and Deuterostomes Objectives: Be able to identify specimens from the main groups of Mollusca and Echinodermata. Be able to distinguish between the bilateral symmetry on a
More informationPasig Catholic College. Grade School Department 103 S.Y Be with Jesus, be with the Poor. Science 5 SECOND QUARTER Activity Sheet # 1
PCC @ 103 Be with Jesus, be with the Poor Activity Sheet # 1 TYPE OF ACTIVITY: Discussion on Animal Adaptations: Natural Habitat : Natural Habitat of Animals Learning Objectives : Describe the different
More informationGen Bio 2 Lab #7: Echinoderms and Mollusks
Name: Date: Gen Bio 2 Lab #7: Echinoderms and Mollusks Pre-lab Reading: Read pages 652-656 and 676-680 from your textbook. Read the entire lab ahead of time and complete all vocabulary and Pre-Lab activity
More informationUnit 12 Review Page 1
Unit 12 Review Page 1 1 is the concentration of sense organs and nerve cells in the front of the bodies of worms, mollusks, arthropods, echinoderms, and chordates. ephalization Segmentation Tagmatization
More informationClassification. Grouping & Identifying Living Things
Classification Grouping & Identifying Living Things Taxonomy The study of how living things are classified Classification is the sorting of organisms based on similar characteristics Carolus Linnaeus is
More informationName Class Date. After you read this section, you should be able to answer these questions:
CHAPTER 14 4 Vertebrates SECTION Introduction to Animals BEFORE YOU READ After you read this section, you should be able to answer these questions: How are vertebrates different from invertebrates? How
More informationEssential Question: What are the characteristics of invertebrate animals? What are the characteristics of vertebrate animals?
Essential Question: What are the characteristics of invertebrate animals? What are the characteristics of vertebrate animals? Key Concept: The animal kingdom is divided up into 35 phyla. These phyla can
More informationTopic Page: Invertebrates
Topic Page: Invertebrates Definition: invertebrate from The Penguin Dictionary of Science General term of convenience given to an animal species that is not a member of the chordate subphylum Vertebrata.
More information8/25/ Opening Questions: Are you an animal? What traits do you share with a jellyfish? Chapter 10 Biodiversity 3: Animals
Chapter 10 Biodiversity 3: Animals 10.1 Animals are consumers 10.2 Sponges and cnidarians 10.3 Three phyla of worms 10.4 Mollusks 10.5 Arthropods 10.6 Echinoderms 10.7 Vertebrates 10.8 Fishes 10.9 Amphibians
More information#1 Porifera (Sponges)
Virtual Coral Reef #1 Porifera (Sponges) Sea sponges, are Sessile animals; they don t move. They pick a spot on a rock, sandy ocean floor or even another animal, latch on and stay put. They have no organs
More informationWhat is the body structure of a sponge? Do they have specialized cells? Describe the process of reproduction in sponges.
11.2 Sponges and Cnidarians What are the main characteristics of Sponges? Where are sponges found? What is the body structure of a sponge? Do they have specialized cells? Do sponges have separate sexes?
More informationClassification of Animals. adapted from
Classification of Animals Animals With Backbones AMPHIBIAN FISH MAMMAL BIRD REPTILE Animals With Backbones Animals with backbones are called vertebrates. Vertebrates include many different kinds of animals.
More informationAnimals. Chapters Exam November 22, 2011
Animals Chapters 32-35 Exam November 22, 2011 Overview of Animals Chapter 32 General Features of Animals and Evolution of the Body Plan General Features of Animals Heterotrophs Multicellular No Cell Walls
More informationThe Worms / Chapter 34 and Partial 35 (pgs )
Name: The Worms / Chapter 34 and Partial 35 (pgs.712-716) 1-6. Worms are not the simple organisms most people think of at first sight. List three specific features that support the idea that worms are
More informationChapter 17 The Evolution of Animals Biology and Society: The Discovery of the Hobbit People
Chapter 17 The Evolution of Animals Biology and Society: The Discovery of the Hobbit People In 2003, anthropologists discovered bones on the Indonesian island of Flores, dating back about 18,000 years,
More informationGrasshopper Dissection
Grasshopper Dissection External Observation Locate the head, thorax, and abdomen. Observe the head. Locate the two compound eyes and the three simple eyes. 1. Why do you think grasshoppers have two types
More informationVertebrates. Vertebrate Characteristics. 444 Chapter 14
4 Vertebrates Key Concept All vertebrates have a backbone, which supports other specialized body structures and functions. What You Will Learn Vertebrates have an endoskeleton that provides support and
More informationEchinodermata. Gr: spine skin 6500 spp all marine except for few estuarine, none freshwater. *larvae bilateral symmetrical. mesodermally-derived
Echinodermata Gr: spine skin 6500 spp all marine except for few estuarine, none freshwater 1) pentamerous radial symmetry (adults) 2) spines *larvae bilateral symmetrical 3) endoskeleton mesodermally-derived
More informationName: Block: Due Date: Starfish Dissection
Name: Block: Due Date: Starfish Dissection Introduction Echinoderms are radially symmetrical animals that are only found in the sea (there are none on land or in fresh water). Echinoderms mean "spiny skin"
More informationMeet the Invertebrates Puppet Show!
Meet the Invertebrates Puppet Show! Essential Question: What are the different types of invertebrates? Background Information: Most of the invertebrates described in this activity are, like insects, in
More informationChapter 7 - Cnidarians. Animals with stinging tentacles, including: jellyfish, corals, sea anemones, and hydra
Chapter 7 - Cnidarians Animals with stinging tentacles, including: jellyfish, corals, sea anemones, and hydra Cnidarians Cnidarians are soft-bodied animals. Have stinging tentacles arranged in circles
More informationToday s Class. Go over viewfinder lab A closer look at the Animal Kingdom Taxonomy Worksheet
Kingdom Animalia Today s Class Go over viewfinder lab A closer look at the Animal Kingdom Taxonomy Worksheet Viewfinder Kingdom: Animalia Cells: multicellular Food: eats other organisms Movement: moves
More informationEchinodermata. Phylum Echinodermata. Derived from the Greek meaning Spiny Skinned. Ancient animal group that evolved over 600 ma
Echinodermata Phylum Echinodermata Derived from the Greek meaning Spiny Skinned Ancient animal group that evolved over 600 ma Six classes living today Sea stars (Asteroidea) Sea urchins (Echinoidea) Sea
More informationFishes, Amphibians, Reptiles
Fishes, Amphibians, Reptiles Section 1: What is a Vertebrate? Characteristics of CHORDATES Most are Vertebrates (have a spinal cord) Some point in life cycle all chordates have: Notochord Nerve cord that
More informationCnidaria. BIO2135 Animal Form & Function. Page 1. Gap (septate) junctions (Connexon) Symmetry types
Cnidaria 1 Animal innovations Gap (Septate) junctions Loss of the choanocytes Porifera Placozoa Cnidaria Ctenophora Platyhelminthes Gastrotricha Gnathostomulida Cycliophora Rotifera Annelida Mollusca Sipuncula
More informationThe Evolution of Chordates
The Evolution of Chordates Phylum Chordata belongs to clade Deuterostomata. Deuterostomes have events of development in common with one another. 1. Coelom from archenteron surrounded by mesodermal tissue.
More information30-3 Amphibians Slide 1 of 47
1 of 47 What Is an Amphibian? What Is an Amphibian? An amphibian is a vertebrate that, with some exceptions: lives in water as a larva and on land as an adult breathes with lungs as an adult has moist
More informationObjectives. Chapter 8. Objectives. I. What Are Animals? II. Sponges. Marine Phyla
Objectives Chapter 8 Sponges, Cnidarians, Comb Jellies, and Marine Worms Describe the structure and function of sponge biology. Understand the role sponges play in ecoystems. Differentiate between Cnidarians
More information26-3 Cnidarians Slide 2 of 47
2 of 47 What Is a Cnidarian? What is a cnidarian? 3 of 47 What Is a Cnidarian? What Is a Cnidarian? Cnidarians are soft-bodied, carnivorous animals that have stinging tentacles arranged in circles around
More informationThere are 35 phyla of animals These phyla can be classified into two groups (vertebrates or invertebrates) based on external and internal physical
Name 1 There are 35 phyla of animals These phyla can be classified into two groups (vertebrates or invertebrates) based on external and internal physical characteristics. All animals share several common
More informationInvertebrates. A Science A Z Life Series Word Count: 1,041. Invertebrates. Written by Brooke Bessesen. Visit
Invertebrates A Science A Z Life Series Word Count: 1,041 Invertebrates Written by Brooke Bessesen Visit www.sciencea-z.com www.sciencea-z.com mollusks spine sponges symmetry vertebrates a group of invertebrates
More informationAnimals 1) General Characteristics of Animals a) Multicellular i) Cells are arranged in varying levels of organization (1) Cell- fundamental unit (2)
Animals 1) General Characteristics of Animals a) Multicellular i) Cells are arranged in varying levels of organization (1) Cell- fundamental unit (2) Tissue- groups of cells working together (3) Organ-
More informationPhylogeny of Animalia (overview)
The Diversity of Animals 2 Chapter 23 Phylogeny of Animalia (overview) Key features of Chordates Phylum Chordata (the Chordates) includes both invertebrates and vertebrates that share (at some point in
More informationBack to the life forms!
Remember that the environment is not simply the geography, but it includes other living things around it. So as one organism changes, it changes the environment for other organisms living around it. In
More informationBiology 340 Comparative Embryology Lecture 2 Dr. Stuart Sumida. Phylogenetic Perspective and the Evolution of Development.
Biology 340 Comparative Embryology Lecture 2 Dr. Stuart Sumida Phylogenetic Perspective and the Evolution of Development Evo-Devo So, what is all the fuss about phylogeny? PHYLOGENETIC SYSTEMATICS allows
More informationSponges and cnidarians were the first animals to evolve from a multicellular ancestor.
Section 3: Sponges and cnidarians were the first animals to evolve from a multicellular ancestor. K What I Know W What I Want to Find Out L What I Learned Vocabulary Review diploid New filter feeder sessile
More informationChapter 33. Table of Contents. Section 1 Porifera. Section 2 Cnidaria and Ctenophora. Sponges, Cnidarians, and Ctenophores
Sponges, Cnidarians, and Ctenophores Table of Contents Section 1 Porifera Section 2 Cnidaria and Ctenophora Section 1 Porifera Objectives Describe the basic body plan of a sponge. Describe the process
More informationAnalyzing Organismal Traits through Cladograms
Analyzing Organismal Traits through Cladograms Above you will see a cladogram of marine taxa. Your focus will be only on Phyla Porifera, Cnidaria, and Echinodermata and the cladogram that they show. Directions:
More informationEchinodermata. Gr: spine skin 6500 spp all marine except for few estuarine, none freshwater. *larvae bilateral symmetrical. mesodermally-derived
Echinodermata Gr: spine skin 6500 spp all marine except for few estuarine, none freshwater 1) pentamerous radial symmetry (adults) *larvae bilateral symmetrical 2) spines 3) endoskeleton mesodermally-derived
More informationPhylum Echinodermata
Deuterostomes Phylum Echinodermata Exclusively marine Deuterostomes with an endoskeleton Pentaradial symmetry Sea stars, brittle stars, sea urchins, sand dollars, sea cucumbers 2 Micrognathozoa Rotifera
More informationCHAPTER 26. Animal Evolution The Vertebrates
CHAPTER 26 Animal Evolution The Vertebrates Impacts, Issues: Interpreting and Misinterpreting the Past No one was around to witness the transitions in the history of life Fossils allow us glimpses into
More informationPacing Guide for 7-12 Curriculum
Pacing Guide for 7-12 Curriculum Course Title: Zoology Length of Course: 36 Weeks Week Number Week 1 Week 2 Chapter COS Objectives Student Will Be Able To: Biology COS 1- Select Successfully follow appropriate
More informationUnit 19.3: Amphibians
Unit 19.3: Amphibians Lesson Objectives Describe structure and function in amphibians. Outline the reproduction and development of amphibians. Identify the three living amphibian orders. Describe how amphibians
More informationAnimals can be traced to a common ancestor a flagellated protist like a choanoflagellate (700 MYA)
Animals can be traced to a common ancestor a flagellated protist like a choanoflagellate (700 MYA) The ancestor of animals was probably a colonial, flagellated protist Cells in these protists Gradually
More informationCharacteristics of Worms
Worms Reading Preview Key Concepts What are the three main phyla of worms? What are the main characteristics of each phylum of worms? Key Terms parasite host free-living organism scavenger anus closed
More informationVERTEBRATE READING. Fishes
VERTEBRATE READING Fishes The first vertebrates to become a widespread, predominant life form on earth were fishes. Prior to this, only invertebrates, such as mollusks, worms and squid-like animals, would
More informationLet s Learn About: Vertebrates & Invertebrates. Informational passages, graphic organizers, study guide, flashcards, and MORE!
Let s Learn About: Vertebrates & Invertebrates Informational passages, graphic organizers, study guide, flashcards, and MORE! Let s Learn About Vertebrates The animal kingdom is comprised of two main categories
More informationIntroduction to Helminthology
Introduction to Helminthology HELMINTHES (WORMS) - Characteristics Eukaryotic, multicellular animals that usually have digestive, circulatory, nervous, excretory, and reproductive systems. Worms with bilateral
More informationWHAT DO SEA STARS EAT EPUB
02 June, 2018 WHAT DO SEA STARS EAT EPUB Document Filetype: PDF 375.58 KB 0 WHAT DO SEA STARS EAT EPUB We don't have as many fish as we used too because. It has been estimated that an adult Ochre sea star
More informationCLASSIFICATION OF ANIMALS. Learning Objectives : To explain how animals are classified into groups. Key Words:
CLASSIFICATION OF ANIMALS Learning Objectives : To explain how animals are classified into groups. Key Words: How do we identify living from non living? 7A Signs of life The meaning of life There are seven
More informationDO NOW: Invertebrate POP Quiz. Sit Quietly and clear off your desk/table of everything EXCEPT and blank piece of white lined paper and a pen/pencil.
DO NOW: Invertebrate POP Quiz Sit Quietly and clear off your desk/table of everything EXCEPT and blank piece of white lined paper and a pen/pencil. DO NOW: Invertebrate POP Quiz Question 1: What is an
More informationNature Club. Insect Guide. Make new friends while getting to know your human, plant and animal neighbours!
Nature Club Insect Guide Make new friends while getting to know your human, plant and animal neighbours! We share our world with so many cool critters! Can you identify them? Use this guide as you search
More informationProcesses check the chiton girdle for scale (papillae, granules, scale) and hair (setae, spicules) processes
Class Polyplacophora 1. Chiton for Dissection i.e. Katherina sp. External Anatomy 8 valves, girdle, mouth, foot, mantle cavity, ctenidia, anus Valves - distinguish head and tail valve (what features distinguish
More information