Evolution and Natural Selection Practice

Organisms of the same type

• overproduction

• species

• fitness

All the same members of a species in a given area

• population

• variation

• mutation

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The gradual change in a species over time is called

• evolution

• migration

• stagnation

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A trait that helps an organism survive and reproduce is called

• an adaptation

• competition

• a mutation

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What caused the change in the peppered moth population?

• a change in the moths' environment

• a dramatic increase in the number of predators

• freezing temperatures

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The gradual change in a species over time

• competition

• adaptation

• evolution

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The differences between members of a population (like eye color).

• variation

• competition

• natural selection

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When more offspring are produced than will survive.

• diversity

• overproduction

• evolution

The ability to survive and produce offspring.

• fitness

• adaptation

• variation

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Members of the same population compete for things needed to live, like food, shelter and mates.

• fitness

• overproduction

• competition

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