Evolution and Natural Selection Review

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Mutation

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A change in a DNA sequence that can lead to genetic differences among organisms.

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Adaptation

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A trait that enhances an organism's ability to survive and reproduce in its environment.

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Natural Selection

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Differential survival and reproductive success among a group of organisms due to differences in inherited traits.

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Trait Variation

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Differences among the physical or behavioral characteristics of a group of organisms.

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Heritable

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Traits that are due to genetic differences and can be passed from parents to offspring.

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Geographic Isolation

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A form of isolation where species are separated by physical barriers, preventing them from mating.

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Behavioral Isolation

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A form of isolation where differences in mating behaviors prevent species from interbreeding.

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Temporal Isolation

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A form of isolation where species breed at different times, preventing mating.

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Genetic Variation

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The diversity in gene frequencies among individuals within a population.

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Survival of the Fittest

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The concept that individuals best adapted to their environment are more likely to survive and reproduce.