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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. As an example of a variation, what does Darwin indicate in Chapter 1 that is a change due to improved diet?
(a) Decreased size.
(b) Increased size.
(c) Higher intelligence.
(d) Lower intelligence.

2. What is one reason that some species' traits are different from other species?
(a) Inheritance.
(b) Habitat.
(c) Natural selection.
(d) Climate.

3. What term refers to those organisms that survive despite the struggle for resources?
(a) Hereditary modification.
(b) Artificial selection.
(c) Circle of life.
(d) Natural selection.

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

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

Short Answer Questions

1. Why do domestic ducks have lighter wings and heavier feet then wild ducks?

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

3. Where did Darwin's ship travel?

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

5. What is the primary cause for the struggle for survival between species?

(see the answer key)

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