AGENDA 1. Natural Selection Activity HOMEWORK 1. Notebook!

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1 2/2-2/3 Sci 7

2 Assignment #5 Natural part 2 LEVEL ZERO VOICE CATALYST (20 minutes, individual work): 1. Define natural selection. 2. Describe a scenario in which a population of brown bunnies changes into white bunnies. Use terms: evolution, natural selection. 3. Explain how an error in DNA could cause a person to have blue eyes.

3 Assignment #5 Natural part 2 The key to natural selection, is being able to survive to reproduce!!! Being adapted well enough to survive to have offspring.

4 Assignment #5 Natural part 2 Today you will be birds. You are all birds. You have special beaks to help you eat food. The rules: 1. At the beginning of the round, use your beak to transport as many beans to your nest as possible. 2. Fill out your data chart at the end of each round. 3. You need to eat 5 beans per bird in order to survive to the next round. 4. You get three minutes per round. 5. If you do not get enough beans, birds in your group will die. 6. If you get more than enough beans, your population groups by one bird per 5 beans.

5 Assignment #5 Natural part 2 Group Data Round 1 Round 2 Round 3 Round 4 Round 5 Round 6 Number of beans you collect Number of Birds at the beginning at end of round 1 2

6 Assignment #5 Natural part 2 Number of beans you collect Group Data Round 1 Round 2 Round 3 Round 4 Round 5 Round 6 1 Number of Birds 2 at the beginning at end of round The rules: 1. Fill out population at beginning of round. 2. Use your beak to transport as many beans to your nest as possible. 3. Fill out your data chart with number of beans collected. 4. You need 15 beans per bird in order to survive to the next round. 5. If you do not get enough beans, birds in your group will die. 6. If you get more than enough beans, your population groups by one bird per 15 beans.

7 Assignment #5 Natural part 2 Number of beans you collect Group Data Round 1 Round 2 Round 3 Round 4 Round 5 Round 6 1 Number of Birds 2 at the beginning at end of round The rules: 1. Fill out population at beginning of round. 2. Use your beak to transport as many beans to your nest as possible. 3. Fill out your data chart with number of beans collected. 4. You need 15 beans per bird in order to survive to the next round. 5. If you do not get enough beans, birds in your group will die. 6. If you get more than enough beans, your population groups by one bird per 15 beans.

8 Assignment #5 Natural part 2 Group Data Round 1 Round 2 Round 3 Round 4 Round 5 Round 6 Round

9 Assignment #5 Natural part 2 Processing task SIDE!!!!!! Bird Paste your data table as a flip under the title. Discussion Questions: 1. Which bird was best adapted? Why? 2. Which bird was least adapted? Why? 3. Can you think of any other variables that may have contributed to a bird s success other than their beak? (eyesight, personality, etc.) 4. Did any birds become extinct? If not, can you predict which bird might become extinct in future generations? 5. Did natural selection occur? (Use the definition of natural selection in your answer.) 6. Did evolution happen? (Use the definition of evolution and natural selection in your answer.)

10 Assignment #5 Natural part 2 LEVEL ZERO VOICE PROCESSING TASK (20 minutes, individual work): 1. Create a scenario in which tigers eventually evolve to no longer have stripes. 2. Be DETAILED Have a timeline of events Describe the habitat Describe the food sources Describe any predators the tigers face 3. Include pictures AND explanations. 4. Can be done as a written story, comic, or booklet.

11 Assignment #5 Natural part 2 LEVEL ZERO VOICE PROCESSING TASK (20 minutes, individual work): Use pictures and words in all scenarios. 1. Create a scenario in which tigers eventually evolve to no longer have stripes. (Use details: their diet, habitat, timeline, predators, weather) 2. Create a scenario in which tortoises neck lengths change. 3. Create a scenario in which bunnies turn from brown to white.