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

2. What type of populations may be more likely to become extinct?
(a) Small populations.
(b) Medium populations.
(c) Large populations.
(d) Diverse populations.

3. Which term refers to a type of variation that is NOT inherited and only affects individuals?
(a) Organism variation.
(b) Species variation.
(c) Indefinite variation.
(d) Definite variation.

4. With respect to breeders, what leads to the development of different varieties of species when breeding?
(a) Genetic selection.
(b) Natural selection.
(c) Purposeful selection.
(d) Accidental selection.

5. What does Darwin say will happen to species that do not adapt?
(a) They are stronger than others.
(b) They become smaller in size.
(c) They are weeded out.
(d) Nothing.

Short Answer Questions

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

2. What does natural selection say must be true for change to be preserved?

3. What is the fate of traits that are neither helpful nor unhelpful for survival?

4. Which of the following is a radical change in the structure or behavior of an organism?

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

(see the answer key)

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