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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 happens when two species from different climates interbreed?
(a) Nothing.
(b) Some traits are not selected for.
(c) Traits favoring the previous climate are still selected for.
(d) All traits are selected for.

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

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

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

5. What other actions do birds use their wings for?
(a) Swimming.
(b) Cleaning.
(c) Mating.
(d) Running.

Short Answer Questions

1. Why does the point of possible starvation for animals occur sooner than for humans?

2. What is one geographical change that affects islands and continents?

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

4. What do some scientists say is the reason that cultivated plants do not produce seeds?

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

(see the answer key)

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