Darwin's Fancy with Finches

What is natural selection?

• a process that happens in the absence of environmental conditions

• a single process of adaptation within an individual

• the survival of the fittest

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What does Darwin's controversial book, On the Origin of Species by Means of Natural Selection, illustrate?

• the importance of variations in organisms

• that traits affect how likely an organism is to reproduce

• how species evolve by adapting to their environment

• all the above

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Complete the following analogy: beak size: Galápagos finches as white hair:______

• tigers

• giraffes

• polar bears

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Based on context, the term resistance in paragraph 6 means _______.

• opposition

• approval

• variation

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Based on the information in paragraph 5, which of the finches in the diagram above is most likely to have adapted to an area where the main food source is large, hard seeds?

• 1

• 2

• 3

• 4

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