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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 species are most likely to inter-breed?
(a) Mammals.
(b) Domesticated organisms.
(c) Polymorphic organisms.
(d) Wild species.

2. What may stop a group of carnivorous wolves from growing?
(a) Climate change.
(b) The group decreases in numbers.
(c) The group becomes too large.
(d) Migration changes.

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

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

5. 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.

Short Answer Questions

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

2. How do some scientists demonstrate the differences between species and variations?

3. What do species survive to do?

4. What may hinder positive traits from being passed on during natural selection?

5. If the pistils of a flower are very long, what type of reproduction limitation may this result in?

(see the answer key)

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