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This test consists of 5 multiple choice questions, 5 short answer questions, and 10 short essay questions.

Multiple Choice Questions

1. Which of the following refers to ways by which an organism could spread to a new area that would NOT typically occur naturally?
(a) Human transport.
(b) Species changes.
(c) Artificial migration.
(d) Accidental means of dispersal.

2. What does the fossil record suggest about species that go extinct?
(a) They do not reappear.
(b) They go extinct quickly.
(c) They pass on their traits.
(d) They reappear as a variation.

3. What is said about the pressure to adapt?
(a) It is dependent on the numbers in a species.
(b) It is dependent on the region.
(c) It is not equal among all species.
(d) It is equal among all species.

4. What happens to life forms that do NOT adapt?
(a) They become extinct.
(b) They become predators.
(c) Nothing.
(d) They are prey.

5. What does Darwin suggest is the only logical way to classify organisms?
(a) Internal similarities.
(b) Habitat.
(c) External similarities.
(d) Genealogy.

Short Answer Questions

1. What does Darwin state is a main difference between first generation mongrels and first generation hybrids?

2. What period in time can explain many migrations due to climate change?

3. What may occur if one organism changes dramatically over time?

4. Where is much of the evidence proving natural selection found?

5. What type of organisms will not fossilize?

Short Essay Questions

1. What does Darwin suggest about the milking behaviors of ants on some insects?

2. How can the inheritance of traits be seen in domesticated dogs?

3. What undermines the belief that the infertility of species, when crossed, is the result of Divine institution?

4. Why can't climate account for differences in organisms from one region to the next?

5. How does natural selection explain the behaviors of Formica rufescens?

6. What does Darwin suggest about the fossil records of trilobites?

7. How does Darwin explain how the same genus of species are found in different geographical regions?

8. What are three facts that can be explained by natural selection as discussed in Chapter 11?

9. What are some general rules governing whether or not two species can produce fertile offspring?

10. Why does Darwin use a fish and a reptile as comparisons?

(see the answer keys)

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