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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 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.

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

3. 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.

4. What is one way to observe the change in a species in a controlled environment?
(a) Observe captive animals.
(b) Create hybrids.
(c) Observe wild animals.
(d) Learn about extinct animals.

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

Short Answer Questions

1. What term refers to exactly how species change over time?

2. How is the practice of purposeful selection seen throughout history?

3. What type of populations experience more variations?

4. What does the absence of complete facts with Darwin's theory open the theory up to?

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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