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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 9: On the Imperfection of the Geological Record.

Multiple Choice Questions

1. Why is instinct NOT well-defined?
(a) No one can agree on a definition for instinct.
(b) They change rapidly.
(c) It covers too many behaviors.
(d) It is elusive.

2. What does natural selection say about the most distinct characteristic of a species?
(a) It will be the largest change.
(b) It is the most recently changed.
(c) It will be the smallest change.
(d) The change is seen in ancestors.

3. In extreme environments, what are species in competition with?
(a) Food source distruction.
(b) Migration needs.
(c) Climate.
(d) Other species.

4. How many objections does Darwin say there are about natural selection?
(a) 4.
(b) 2.
(c) 3.
(d) 1.

5. In Chapter 4: Natural Selection, what does Darwin suggest about most variations?
(a) They are not helpful for survival.
(b) They lead to species regeneration.
(c) They are caused by domestication.
(d) They are helpful for survival.

Short Answer Questions

1. Which of the following is a radical change in the structure or behavior of an organism?

2. What is one reason that some species' traits are different from other species?

3. What is the primary cause for the struggle for survival between species?

4. What would a variety do in order to become a new species?

5. What does Darwin suggest about acquired traits in parents?

(see the answer key)

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