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

Multiple Choice Questions

1. What type of populations may be more likely to become extinct?
(a) Diverse populations.
(b) Large populations.
(c) Medium populations.
(d) Small populations.

2. Why are some useless organs sill found in animals?
(a) They have not been bred out.
(b) They were used by ancestors.
(c) All organs have a purpose.
(d) Selection takes time.

3. What is unique about variation in polymorphic species?
(a) Not dependent on external factors.
(b) All invertibrates.
(c) Not dependent on internal factors.
(d) Dependent on external factors.

4. What happens when species are inter-bred?
(a) Variations die out.
(b) Offspring are stronger.
(c) Variations increase.
(d) Offspring are weaker.

5. What results as a climate becomes more hostile?
(a) Fewer species.
(b) More competition.
(c) Better cooperation between species.
(d) Less food.

6. What is the struggle for existence caused by?
(a) Quick reproduction.
(b) Natural selection.
(c) Too many species.
(d) Little food sources.

7. What do naturalists call a situation where a child takes on characteristics NOT shared by the parents?
(a) Introverted.
(b) Reverted.
(c) Adopted.
(d) Extroverted.

8. What may hinder positive traits from being passed on during natural selection?
(a) Interbreeding.
(b) Single organism breeding.
(c) Normal breeding.
(d) Crossbreeding.

9. On what ship did Darwin ride while writing The Origin of Species?
(a) H.M.S. Clipper.
(b) H.M.S. Seafarer.
(c) H.M.S. Beagle.
(d) H.M.S. Victoria.

10. In Chapter 1: Variation Under Domestication, what animal does Darwin give as an example for being perfectly adapted for catching its food?
(a) Bull.
(b) Woodpecker.
(c) Beaver.
(d) Tiger.

11. Which term refers to organisms with no distinct gender?
(a) Neutral.
(b) Polymorphic.
(c) Single cell.
(d) Hermaphrodite.

12. Why would one organism be able to survive in a climate that another could not?
(a) It is better adapted.
(b) It has more fur.
(c) It has thicker skin.
(d) It is maladapted.

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

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

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

Short Answer Questions

1. Which of the following tends to live over larger areas?

2. What type of populations experience more variations?

3. What would increase the likelihood of variations occurring in a given population?

4. What term refers to change from one generation to the next?

5. In what type of species are variations of the eye found?

(see the answer keys)

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