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

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

3. What is likely to NOT affect variations that are consistent among individuals?
(a) Natural selection.
(b) External factors.
(c) Competition.
(d) Domestication.

4. What species type is known for a lot of variation between individuals?
(a) Trimorphic.
(b) Polymorphic.
(c) Bimorphic.
(d) Trapamorphic.

5. Which term refers to a type of variation that is seen in most or all groups of organisms?
(a) Indefinite variation.
(b) Definite variation.
(c) Species variation.
(d) Organism variation.

Short Answer Questions

1. What other field of science can natural selection be compared to?

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

3. What type of relationship do organisms have with one another?

4. What do naturalists call a situation where a child takes on characteristics NOT shared by the parents?

5. Which term refers to a type of variation that is NOT inherited and only affects individuals?

(see the answer key)

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