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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 type of relationship do organisms have with one another?
(a) Genetic.
(b) Environmental.
(c) Competitive.
(d) Cooperative.

2. What tends to occur in large groups of genera?
(a) They live over large areas.
(b) They never inter-breed.
(c) They divide into smaller groups.
(d) They become varieties.

3. What do Naturalists suggest is one definite distinction between a species and a variety?
(a) Size of groups.
(b) Domestication.
(c) Life span.
(d) Geographical range.

4. Why does the point of possible starvation for animals occur sooner than for humans?
(a) Humans can last longer on less food.
(b) Humans can rely on dietary supplements.
(c) Humans have better hunting tools.
(d) Humans artificially produce food.

5. In Chapter 1: Variation Under Domestication, what animal does Darwin give as an example for being perfectly adapted for catching its food?
(a) Woodpecker.
(b) Bull.
(c) Beaver.
(d) Tiger.

Short Answer Questions

1. In extreme environments, what are species in competition with?

2. What do some scientists say is the reason that cultivated plants do not produce seeds?

3. Which of the following tends to live over larger areas?

4. What would a variety do in order to become a new species?

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

(see the answer key)

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