Natural Selection (H)

_, first described by Charles Darwin, is the major mechanism of evolution.

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Natural selection is the only mechanism of evolution that explains _, the process that allows populations to become best suited to their environment.

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Survival adaptations allow _ to be maintained.

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Reproductive adaptations allows for the successful production of _.

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In order for natural selection to occur, _ diversity must be in place in order to create phenotypic diversity.

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In order for natural selection to occur, phenotypic diversity must be in place in order to create a _ differential (measure of survival and reproduction ability).

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There is only a fitness differential between different groups within a population if _ for limited resources is occurring.

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If a trait associated with fitness is _ (i.e. can be passed down to the next generation), then natural selection for that trait can take place.

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_ (ex. predators), in part, determine which variants in a population have high and low fitness.

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The _ context (ex. dark colored rocks), in part, determines which variants in a population have high and low fitness.

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