HOMEWORK 14: EvOLUTION Name 1. How does natural selection cause evolution? 2. Na

Question

HOMEWORK 14: EvOLUTION Name 1. How does natural selection cause evolution? 2. Natural selection acts on ( individuals / populations) while evolution occurs in (individuals / populations ). 3. Why don't all populations of a species have the same adaptations? 4. Consider the following data: Generation green Which individuals have the highest fitness in 8 this population? Why? 8 12 16 20 4 5. Is camouflage the only adaptation for surviving predation? If not, give an example Traits that increase an individual's success at obtaining limited resources are favored by natural selection in environments where 6. is a major factor. 7. Do all mutations result in adaptations?why or why not? 8. Chickadees have a remarkable ability to learn from other birds about food sources they have never seen before. Chickadees in the United Kingdom in the early 20th century learned how to drink out of milk bottles left on door stoops by milk deliv- ery services. After one or a few chickadees learned how to do this, the ability spread throughout the countryside in a matter of months. Is drinking out of milk bottles an adaptation that is subject to evolution by natural selection in chickadees? Explain Imagine a duck that is born with a mutation that causes long toes instead of webbed feet. Is this an adaptation?Why or Why not? 9. 169

Explanation / Answer

Q1) Natural selection leads to evolutionary change when individuals with cwrtain characteristics have a greater survival or reproductive rate than other individuals in a population and pass on these inheritable genetic characteristics to their offsprings

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