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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 8: Hybridism.

Multiple Choice Questions

1. In what type of species has perfect fertility of variations been demonstrated?
(a) Mongrel.
(b) Wild.
(c) Domestic.
(d) Hybrid.

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

3. Why do domestic ducks have lighter wings and heavier feet then wild ducks?
(a) Domestic ducks walk more.
(b) Domestic ducks walk less.
(c) Different species.
(d) This is a false statement.

4. Which of the following is a radical change in the structure or behavior of an organism?
(a) Growth.
(b) Increased illness.
(c) Extinction.
(d) Monstrosities.

5. In what type of species are variations of the eye found?
(a) Humans.
(b) Birds.
(c) Crustaceans.
(d) Dogs.

Short Answer Questions

1. What is unique about white cats with blue eyes?

2. What typically happens to a species that begins to vary and forms two distinct species?

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

4. Which species require more years for change?

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

(see the answer key)

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