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This test consists of 15 multiple choice questions and 5 short answer questions.

Multiple Choice Questions

1. What type of relationship do organisms have with one another?
(a) Environmental.
(b) Cooperative.
(c) Competitive.
(d) Genetic.

2. What would increase the likelihood of variations occurring in a given population?
(a) Increase in available food.
(b) Dramatic environmental changes.
(c) Fewer members of the species to compete with.
(d) Domestication.

3. What does natural selection say must be true for change to be preserved?
(a) It must be genetic.
(b) It must be unique.
(c) It must be beneficial to the species.
(d) It must be universal.

4. What does natural selection favor in terms of increasing population?
(a) Traits that lead to strength.
(b) Traits that lead to reproduction.
(c) Traits that lead to sterility.
(d) Traits that do not lead to reproduction.

5. What type of selection primarily affects the reproductive characteristics of a species?
(a) Environmental selection.
(b) Sexual selection.
(c) Artificial selection.
(d) Natural selection.

6. What is the difference between the two types of variations discussed in Chapter 1: Variation Under Domestication?
(a) The area affected by the variation.
(b) Location of variation.
(c) The species that variations happen to.
(d) Degree of variation.

7. Who believed that humans would fall into starvation because they could not meet the needs of the population?
(a) Maltus.
(b) Darwin.
(c) Newton.
(d) Hooker.

8. What other field of science can natural selection be compared to?
(a) Psychology.
(b) Biology.
(c) Physics.
(d) Geology.

9. What aspect of organisms is not caused by chance?
(a) Size.
(b) Gender.
(c) Location.
(d) Variation.

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

11. What species type is known for a lot of variation between individuals?
(a) Bimorphic.
(b) Polymorphic.
(c) Trimorphic.
(d) Trapamorphic.

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

13. As an example of a variation, what does Darwin indicate in Chapter 1 that is a change due to improved diet?
(a) Increased size.
(b) Higher intelligence.
(c) Lower intelligence.
(d) Decreased size.

14. Where did Darwin's ship travel?
(a) Asia.
(b) North America.
(c) England.
(d) South America.

15. What does the process of species growth suggest about species that are transported into foreign regions?
(a) They prosper.
(b) They do not prosper.
(c) They inter-breed.
(d) They stay stagnant.

Short Answer Questions

1. Concerning the difficulty of defining species, sub-species, and variations, what does Darwin suggest about differences?

2. Which of the following occurs when one type of variation causes variation in another part of an organism?

3. What do most organisms have a very good ability to do?

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

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

(see the answer keys)

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