BIOLOGY - EVOLUTION

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12 Terms

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Evolution

Change over time

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Artificial selection

Characteristics that are selected or influenced by humans

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Natural selection

Characteristics that are selected by an organisms environment

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Adaption

Characteristics that increases an organisms fitness

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Fitness

An organisms ability to adapt to its environment

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Variation

Multiple characteristics among a group/groups of organisms

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Modification

Change in an organisms traits or genetic makeup

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Darwin’s theory point 1

Variation exists within species

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Darwin’s theory point 2

Overproduction of offspring

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Darwin’s theory point 3

Organisms compete for limited natural resources

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Darwin’s theory point 4

Differential reproductive success

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Why is evolution tied to an organisms ability to survive and reproduce?

Evolution is tightly linked to an organism's ability to survive and reproduce because natural selection favors traits that enhance these abilities