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

2. Which of the following tends to live over larger areas?
(a) Subspecies.
(b) Species.
(c) Mammals.
(d) Variations.

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

4. What would increase the likelihood of variations occurring in a given population?
(a) Dramatic environmental changes.
(b) Fewer members of the species to compete with.
(c) Increase in available food.
(d) Domestication.

5. What may hinder positive traits from being passed on during natural selection?
(a) Single organism breeding.
(b) Crossbreeding.
(c) Interbreeding.
(d) Normal breeding.

Short Answer Questions

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

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

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

4. What is the difference between the two types of variations discussed in Chapter 1: Variation Under Domestication?

5. What type of populations experience more variations?

(see the answer key)

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