Evolution Vocab Review

Change in a kind of organism over time

• Evolution

• Adaptation

• Disruptive Selection

• Homologous Structures

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Selection by humans for breeding of useful traits from the natural variation among different organisms

• Adaptation

• Behavioral Isolation

• Artificial Selection

• Natural Selection

Inherited characteristic that increases an organism’s chance of survival

• Adaptation

• Behavioral Isolation

• Artificial Selection

• Natural Selection

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Form of reproductive isolation in which two populations have differences in courtship rituals that prevent them from interbreeding

• Behavioral Isolation

• Geographic Isolation

• Reproductive Isolation

• Vestigial Organs

Principle that all living things have a common ancestor

• Common Descent

• Descent with Modification

• Directional Selection

• Speciation

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Principle that each living species has descended, with changes, from other species over time

• Descent with Modification

• Common Descent

• Directional Selection

• Fitness

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Occurs when individuals at one end of a distribution curve have higher fitness than individuals in the middle or at the other end of the curve

• Directional Selection

• Disruptive Selection

• Stabilizing Selection

• Struggle for Existence

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Occurs when individuals at the upper and lower ends of a distribution curve have higher fitness than individuals in the middle of the curve

• Directional Selection

• Disruptive Selection

• Stabilizing Selection

• Struggle for Existence

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Preserved remains or evidence of an ancient organism

• Fossil

• Founder Effect

• Genetic Drift

• Geographic Isolation

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Ability of an organism to survive and reproduce in its environment

• Fitness

• Evolution

• Adaptation

• Genetic Drift

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