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

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

3. What do some scientists say is the reason that cultivated plants do not produce seeds?
(a) Genetics.
(b) Poor nutrition.
(c) Poor soil.
(d) Instinct.

4. When is the only time a rational conclusion can be reached on a theory?
(a) After a committee discussion and agreement.
(b) When both sides have been considered.
(c) When one side comes up with more proof.
(d) You can never draw a conclusion in science.

5. What can be said about the range of species that are closely related?
(a) They are restricted.
(b) They are typically very small.
(c) They are unrestricted.
(d) They are typically large.

Short Answer Questions

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

2. What happens when two species from different climates interbreed?

3. What does natural selection favor in terms of increasing population?

4. In Chapter 1: Variation Under Domestication, what animal does Darwin give as an example for being perfectly adapted for catching its food?

5. What happens to a species if their traits and characteristics are not passed down to the next generation?

(see the answer key)

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