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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 6: Difficulties on Theory.

Multiple Choice Questions

1. What is the fate of traits that are neither helpful nor unhelpful for survival?
(a) They are subject to natural selection.
(b) The are bred out of the species.
(c) They are not subject to natural selection.
(d) They are subject to artificial selection.

2. What is the best example of traits that continue to vary?
(a) Primary sexual characteristics.
(b) Secondary sexual characteristics.
(c) Mating habits.
(d) Migration characteristics.

3. What types of species forms are NOT found in nature?
(a) Transitional.
(b) Competitve.
(c) Natural.
(d) Collaborative.

4. What type of selection primarily affects the reproductive characteristics of a species?
(a) Environmental selection.
(b) Artificial selection.
(c) Natural selection.
(d) Sexual selection.

5. What happens when two species from different climates interbreed?
(a) Some traits are not selected for.
(b) Traits favoring the previous climate are still selected for.
(c) All traits are selected for.
(d) Nothing.

Short Answer Questions

1. What results as a climate becomes more hostile?

2. How might one explain the correlation of growth?

3. In what type of species are variations of the eye found?

4. What do most organisms have a very good ability to do?

5. What type of work is presented in The Origin of Species?

(see the answer key)

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