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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 3: Struggle For Existence.

Multiple Choice Questions

1. 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.

2. In extreme environments, what are species in competition with?
(a) Food source distruction.
(b) Other species.
(c) Climate.
(d) Migration needs.

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

4. What is the primary cause for the struggle for survival between species?
(a) Food sources.
(b) Variation.
(c) Environmental factors.
(d) Rapid reproduction.

5. What does the absence of complete facts with Darwin's theory open the theory up to?
(a) Objections.
(b) Confusion.
(c) Failure.
(d) Success.

Short Answer Questions

1. Who believed that humans would fall into starvation because they could not meet the needs of the population?

2. What species type is known for a lot of variation between individuals?

3. Which term refers to a type of variation that is seen in most or all groups of organisms?

4. When is the only time a rational conclusion can be reached on a theory?

5. As an example of a variation, what does Darwin indicate in Chapter 1 that is a change due to improved diet?

(see the answer key)

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