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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 of the following refers to offspring with parents from two different species?
(a) Mongrel.
(b) Hybrid.
(c) Normal.
(d) Inbreed.

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

3. Why do hybrids tend to display little variation?
(a) The parents are the same.
(b) The parents are very close in characteristics.
(c) There is no natural selection with hybrids.
(d) Because of genetic defects.

4. Who believed that humans would fall into starvation because they could not meet the needs of the population?
(a) Maltus.
(b) Newton.
(c) Hooker.
(d) Darwin.

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

Short Answer Questions

1. In Chapter 8, according to Darwin's example, what domesticated variety is NOT able to reproduce?

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

3. What results as a climate becomes more hostile?

4. What typically happens when varieties are inter-breed?

5. What is the struggle for existence caused by?

(see the answer key)

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