evolution and natural selection

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adaptation

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inherited characteristic that increases chances of survival

Front

natural selection

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

Front

fitness

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ability to survive and reproduce in a specific environment

Front

variation

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differences in the DNA sequence

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homologous structures

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related organisms have the same bone makeup

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Definition: fossil record

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remains of dead organisms

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embryology

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in the early stages of development dogs, pigs, and humans resemble one another

Front

A trait that makes a species better suited to survive in its environment is called a(n) _________.

Back

adaptation

Front

Which of the following is a factor in natural selection?

• Individuals of species compete with one another to survive.
• All species are genetically diverse.
• Individuals better able to adapt to changes leave more offspring.
• All of the above.

Back

All of the above.

Front

____ is when members of a species that are best suited for their environment survive and reproduce at a higher rate than other members of the species. Options: natural selection, artificial selection, speciation, adaptation

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natural selection