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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 bodily system do some scientists believe is responsible for producing individual differences?
(a) Skin.
(b) Brain.
(c) Nervous.
(d) Reproductive.

2. What does Darwin say will happen to species that do not adapt?
(a) Nothing.
(b) They are stronger than others.
(c) They are weeded out.
(d) They become smaller in size.

3. What typically happens to a species that begins to vary and forms two distinct species?
(a) One of the species will become extinct.
(b) They will inhabit more area.
(c) They will require more resources.
(d) They will be classified as sub-species.

4. Which of the following tends to live over larger areas?
(a) Species.
(b) Subspecies.
(c) Mammals.
(d) Variations.

5. What does Darwin suggest about variation for parts that are NOT specialized?
(a) Less variation.
(b) Becomes correlational.
(c) Eventually stops.
(d) More variation.

Short Answer Questions

1. What aspect of organisms is not caused by chance?

2. What is required for a species to continue to grow?

3. How might one explain the correlation of growth?

4. What does the process of species growth suggest about species that are transported into foreign regions?

5. What do some scientists say is the reason that cultivated plants do not produce seeds?

Short Essay Questions

1. What is the importance of indefinite variations?

2. What was Darwin's specific interest in the living species?

3. Why is it sometimes impossible to tell if climate is the cause for variations in the same species located in different geographical locations?

4. How can the geology of mountains and valleys be related to natural selection?

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

6. Why is the eye used as an example of an organ too complex to be explained by natural selection?

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

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

9. What occurs in situations where a species is moved from one climate to another?

10. Is there a cycle to the struggle for existence? Explain.

(see the answer keys)

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