Evolution by Natural Selection Notes Review

Whose theory was evolution by natural selection?

• Lamark

• Darwin

• Galileo

• Mendel

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Who said organisms acquire traits during their lifetime?

• Mendel

• Lamarck

• Redi

• Darwin

The best adapted organisms survive and reproduce more often than less well adapted organisms

• Natural Selection

• Evolution

• Spontaneous Generation

• Fitness

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The genetic make up of a population changes over time

• Natural Selection

• Evolution

• Spontaneous Generation

• Fitness

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How well an organism survives in its environment

• Natural Selection

• Evolution

• Spontaneous Generation

• Fitness

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Which organism did Darwin study in the Galapagos Islands?

• Sea lions

• Hawks

• Iguanas

• Finches

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What did Darwin notice about the finches in the Galapagos Islands?

• They had different feet sizes

• They had different feather colors

• They had different wing sizes

• They had different beak sizes

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Differences in beak size of the Galapagos finches were related to

• the available types of food

• the species represented on the islands

• which birds were the strongest

• due to invasive species brought from South America

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Which of the following best defines the term adaptation?

• A learned behavior an organism uses to survive

• A sudden mutation in an organism’s DNA caused by the environment

• A characteristic that improves an organism's chance of survival and reproduction

• The process by which one species becomes another over time

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How does natural selection lead to adaptation in a population over time?

• Organisms adapt because they want to survive

• Organisms change their traits to fit the environment

• Favorable traits become more common because they help organisms survive and reproduce

• All traits in a species eventually become adaptations

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