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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. What is likely to NOT affect variations that are consistent among individuals?
(a) Natural selection.
(b) External factors.
(c) Competition.
(d) Domestication.

2. Where does Darwin suggest transitional forms should be found?
(a) In all regions.
(b) Regions near water.
(c) In fossil records.
(d) Regions near mountains.

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

4. What term refers to change from one generation to the next?
(a) Generational change.
(b) Growth.
(c) Natural process.
(d) Hereditary modification.

5. What do species survive to do?
(a) Migrate.
(b) Eat.
(c) Survive.
(d) Increase the population.

Short Answer Questions

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

2. What does natural selection say about the most distinct characteristic of a species?

3. What does natural selection favor in terms of increasing population?

4. Which term refers to a type of variation that is seen in most or all groups of organisms?

5. Why do domestic ducks have lighter wings and heavier feet then wild ducks?

Short Essay Questions

1. Why isn't it safe to assume that regions that are physically connected in the present day were connected in the past?

2. Why is natural selection much broader than domestic selection by humans?

3. Why does Darwin feel the distinction between species variations is arbitrary?

4. Why does Darwin suggest his methods of study are inadequate?

5. How does Darwin propose a theory that goes against long-held popular belief?

6. What is the difference between domesticated and wild animals, according to Darwin?

7. What factors contribute to the slowdown in reproduction in a species?

8. What are four objections raised to the theory of natural selection?

9. What must be examined in order for Darwin's theory to be considered plausible?

10. How do variations occur in the wild?

(see the answer keys)

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