Chapter 23: The Evolution of Populations

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AP Bio Chapter Review The Evolution of Populations

Chapter 23: The Evolution of Populations

1.

How does the “modern synthesis” theory of evolution differ from Darwin’s theory of natural selection?

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2.

How does genetic drift apply to each of the following? Give an example of each. a.

Founder Effect:

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Bottleneck Effect:

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3.

How do each of the following break H-W assumptions? a.

natural selection:

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gene flow:

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mutation:

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selective mating:

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4.

Why is genetic variation important to evolution?

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5.

What is the role of mutations to forming variation?

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AP Bio Chapter Review The Evolution of Populations

6.

How can populations vary along a geographic axis compared to isolated populations?

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7.

What factors of sexual reproduction lead to variations within a population? Describe how each example leads to variation.

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8.

How does diploidy preserve variation?

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9.

What is “balanced polymorphism?”

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10.

How can parasites contribute to balanced polymorphism?

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11.

In a biological sense, what is fitness?

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12.

In a biological sense, what is an adaptation?

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13.

What is the effect of sexual selection? Describe the two types of sexual selection.

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14.

Describe and give an example of what is meant by “heterozygous advantage.”

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AP Bio Chapter Review The Evolution of Populations

15.

Label the following graphs of variation in color with the type of selection. Provide a description of each type of selection under the graph.

16.

For each of the following, give an example or describe what is meant by the statement: a.

Natural selection cannot fashion perfect organisms.

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Evolution is limited by historical constraints.

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Adaptations are often compromises.

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Not all evolution is adaptive.

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Selection can only edit existing variations.

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