AP Bio Insta-Review Topic 7.1: Intro to Natural Selection

Who is the “father of evolution”

• Aristotle

• Darwin

• Lamarck

• Mendel

Which of the following evolves?

• Individuals

• Populations

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A mule is a hybrid between a horse and donkey. What is the reproductive fitness of a mule?

• 0

• 0.25

• 0.5

• 1.0

Peppered moths became darker during the industrial revolution due to the trees becoming darker. What type of selection describes the peppered moth population?

• Directional

• Disruptive

• Sexual

• Stabilizing

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Birth weight averages between 6 to 8 pounds. Which type of selection describes birth weight of humans?

• Directional

• Disruptive

• Sexual

• Stabilizing

Drought causes an absence of food for medium beaked birds. Which type of selection describes the bird population?

• Directional

• Disruptive

• Sexual

• Stabilizing

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What is natural selection?

• Organism with less favorable traits are more likely to live

• Organism with more favorable traits are more likely to live

• Nature selects for the less favorable traits

• Nature selects against the most favorable traits.

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Horse and donkey have unequal number of chromosomes, so the offspring has an odd number of chromosomes and is sterile. What is the fitness of the offspring?

• 0

• 1/2

• 1

• Cannot be determined

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Evolution produces perfect organisms

• True

• False

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