Evolution in Populations

Who was the Scientist most famous for his study of natural selection and evolution?

• Theodor Schwann

• Robert Hooke

• Charles Darwin

• Rudolf Virchow

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What is the process in which populations CHANGE over time?

• evolution

• species

• variation

• competition

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What do you call similar structures that related species have inherited from a common ancestor?

• Natural Selection

• Analogous Structure

• Vestigial Structure

• Homologous Structure

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Select ALL that show evidence of evolution.

• DNA

• mutations

• fossils

• skeletal structures

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How does natural selection affect a population over time?

• It makes all animals the same

• It helps animals become better suited to their environment

• It makes animals grow bigger

• It makes animals live forever

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What indicates a healthy animal population?

• All animals are the same size

• There is a lot of genetic variation

• All animals sleep at the same time

• All animals eat the same food

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Individuals don't evolve! __________ do!

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What do we call structures that no longer perform their original function?

• Natural Selection

• Analogous Structure

• Vestigial Structure

• Homologous Structure

What do you call a characteristic that allows an organism to survive in an environment?

• variation

• adaptation

• selection

• overproduction

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Select ALL of the steps to forming a new species.

• variation

• adaptation

• division

• separation

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