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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 8: Hybridism.

Multiple Choice Questions

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

2. In what type of species has perfect fertility of variations been demonstrated?
(a) Wild.
(b) Hybrid.
(c) Mongrel.
(d) Domestic.

3. What is required for a species to continue to grow?
(a) Land.
(b) Other species.
(c) Strong males.
(d) Food supply.

4. What is one geographical change that affects islands and continents?
(a) Sea level changes.
(b) Climate changes.
(c) Animal variations.
(d) Rainfall changes.

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

Short Answer Questions

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

2. What is the primary cause for the struggle for survival between species?

3. What type of selection primarily affects the reproductive characteristics of a species?

4. What does the process of species growth suggest about species that are transported into foreign regions?

5. What types of species forms are NOT found in nature?

(see the answer key)

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