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

Multiple Choice Questions

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

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

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

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

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

Short Answer Questions

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

2. Which term refers to a type of variation that is NOT inherited and only affects individuals?

3. In Chapter 8, according to Darwin's example, what domesticated variety is NOT able to reproduce?

4. In Chapter 4: Natural Selection, what does Darwin suggest about most variations?

5. What happens when two species from different climates interbreed?

(see the answer key)

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