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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 4: Natural Selection.

Multiple Choice Questions

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

2. What do species survive to do?
(a) Increase the population.
(b) Eat.
(c) Migrate.
(d) Survive.

3. What results as a climate becomes more hostile?
(a) More competition.
(b) Less food.
(c) Fewer species.
(d) Better cooperation between species.

4. What is the difference between the two types of variations discussed in Chapter 1: Variation Under Domestication?
(a) The area affected by the variation.
(b) Location of variation.
(c) The species that variations happen to.
(d) Degree of variation.

5. What type of selection primarily affects the reproductive characteristics of a species?
(a) Natural selection.
(b) Sexual selection.
(c) Environmental selection.
(d) Artificial selection.

Short Answer Questions

1. What would increase the likelihood of variations occurring in a given population?

2. Which term refers to organisms with no distinct gender?

3. What term refers to change from one generation to the next?

4. What do Naturalists suggest is one definite distinction between a species and a variety?

5. What is unique about variation in polymorphic species?

(see the answer key)

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