Evolution and Natural Selection Flashcard

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natural selection

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organisms with traits well suited to their environment survive and reproduce at a greater rate

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fitness

Back

ability to survive and reproduce in a specific environment

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variation

Back

differences in the DNA sequence that show in an individual's phenotype

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Change over time is

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evolution

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What makes an organism more suited to its environment?

Back

adaptation

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Who was Charles Darwin?

Back

A naturalist who came up with the theory of evolution

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Darwin said that within a species there will be _________________________

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variation/differences

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Organisms with differences/variations that are helpful will

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live longer

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Bird's beaks evolve mainly due to the type of ___________________ available.

Back

food

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What can happen to a species over time if some of the organisms have an advantage?

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The population will slowly increase