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

2. What is unique about white cats with blue eyes?
(a) They are deaf.
(b) They are not seen in the wild.
(c) They are blind.
(d) They do not reproduce.

3. What do naturalists say about the situation of hybrids resembling their parents?
(a) Artificial selection explains this.
(b) There is no explanation.
(c) Natural selection cannot explain this resemblance.
(d) Natural selection can explain this resemblance.

4. With respect to breeders, what leads to the development of different varieties of species when breeding?
(a) Genetic selection.
(b) Purposeful selection.
(c) Accidental selection.
(d) Natural selection.

5. What do some scientists say is the reason that cultivated plants do not produce seeds?
(a) Poor soil.
(b) Instinct.
(c) Genetics.
(d) Poor nutrition.

Short Answer Questions

1. What is the fate of traits that are neither helpful nor unhelpful for survival?

2. Which of the following is a radical change in the structure or behavior of an organism?

3. In Chapter 1: Variation Under Domestication, what animal does Darwin give as an example for being perfectly adapted for catching its food?

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

5. What other field of science can natural selection be compared to?

(see the answer key)

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