What does it mean to be a tetrapod? What three things were needed to survive on land? What does it mean to be oviparous?

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1 Marine Mammals, Reptiles, Amphibians and Birds What does it mean to be a tetrapod? What three things were needed to survive on land? Which two of these problems did amphibians NOT figure out? What does it mean to be oviparous? What can a reptile s eggs do that an amphibian s eggs cannot? Which two types of animals evolved from reptiles? How many species of reptiles are there? What are the main groups of reptiles? What does it mean to be an ectotherm?

2 What can sea turtles NOT do that tortoises and turtles can do? How many species of sea turtles are there?. What do they primarily eat? What can some of them eat? What is the largest? How long can it grow? Where does copulation take place in sea turtles? Where and how does the mother lay the eggs? How many eggs are produced on average? How long will it take the eggs to hatch and why are they so vulnerable? How many species of sea snakes are there? How long can they grow? What does it mean to be ovoviparious? Do sea snakes need to return to land to lay eggs?

3 Why are sea snakes endangered? Where can saltwater crocodiles be found? How large can they grow? feet What does it mean to be an endotherm? How do seabirds spread waterproofing material around their body? Seabirds make up % of all bird species and eat But they must nest on How are penguins better adapted for life in the water than other birds? Why can penguins survive in such cold conditions? of the 18 species live in the southern hemisphere near Antarctica. One species lives as far north as the islands. Where do penguins mate and lay their egg? Which parent guards the egg during the winter? Why is the egg produced in the winter?

4 How do pelicans catch fish? What can be said about feeding in seagulls? In mammals, where does the embryo get it s nutrients from? How is the newborn baby mammal fed? What are the three functions of blubber in marine mammals? What is a physical difference between a seal and a sea lion? What are the distinguishing characteristics of a walrus? How heavy can a male walrus get?

5 How big can sea otters get? How do they stay warm? Why are they important to the kelp forests? Where can they be found? Where are manatees found? How many of the four species are found in the Amazon? How large can they grow? feet and pounds. What do whales and dolphins NOT have that fish do? What do female whales have in common with female humans? What is the function of blubber in whales? How many species of whales live in salt water? List three types of toothed whales.

6 How many species of whales have teeth? What does it mean to be a toothed whale? How many humans did killer whales in the wild kill? What do baleen whales NOT have? Why are baleen whales in such decline? What do these large baleen whales feed on? Why is that stuff considered planktonic? List four examples of baleen whales. What is a large group of whales called? Where can they be seen jumping out of the water? Why are so many dolphins killed in nets? How fast can killer and blue whales swim? How fast can dolphins swim? How long can sea otters dive for? How deep can they dive?

7 How long can seals dive for? How deep can they dive? Oxygen exchange in whales is very efficient. On each breath, % of the oxygen in their blood is exchanged compared to % in humans. What happens to the blood in a whale when it dives deep? Why does the nitrogen in a whales blood NOT dissolve like in humans? That is why whales are adapted for deep diving. What is SONAR/ECHOLOCATION? What structure focuses and directs the SONAR waves in a whale? Why is beaching such a negative behavior in whales, even though they can breathe with lungs. Where do large baleen whale migrate to in the summer and what are they doing there? Where do large baleen whales migrate to in the winter, and what could happen there?

8 How many young will a whale have at one time and how are they born? What is the gestation period of most whales? How is the baby whale born?