17.2- Ideas that Influenced Darwin

17.2- Ideas that Influenced Darwin

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PG-​ 549​

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Key Questions

• What is Hutton and Lyell conclude about Earth's history?

• How did Lamarck propose that species evolve?

• How did Malthus explain population growth?

• How is inherited variation used in artificial selection?

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Hutton and

concluded that Earth is extremely old and that the processes that change Earth in the past art the same processes that operate in the present.

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suggested that individual organisms could change during their lifetimes by selectively using or not using various parts of their bodies.

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reasoned that if the human population grew unchecked, there wouldn't be enough living space and food for everyone.

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In _________ __________, nature provides the inherited variations, and humans select those variants they fund useful.