Darwin, Natural Selection, and Evolution

Front

Who developed the idea of evolution by natural selection?

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Charles Darwin

Front

Darwin discovered 13 species of finch on the Galapagos with different shaped beaks. What did he hypothesize about the development of these beaks?

Back

their diet

Front

What is one of the requirements for natural selection to occur in a population?

Back

variation

Front

Evolution is

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changes in organisms over time

Front

Natural selection is

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a process where organisms better suited for their environment survive and reproduce

Front

Which of the following is a vestigial structure? eyes, hip bones in whales, foot bones, lungs

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hip bones in whales

Front

Organisms are thought to come from species before them, these species are called

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common ancestors

Front

Fossils provide evidence of evolution because

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fossils show how current species are similar to ancestors

Front

A natural variation that benefits an organism is called a(n)

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adaptation

Front

When a dairy farmer chooses to breed the cows that give the most milk, the farmers are demonstrating

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artificial selection