Science Quiz

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10 Terms

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Natural selection

The process where better-adapted organisms survive and reproduce.

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Biological evolution

Changes in characteristics of a population over generations.

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Microevolution

Small changes in a population's traits over time.

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Macroevolution

Significant evolutionary changes that create new species over long periods.

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Fitness

An organism's ability to survive and reproduce.

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Gene pool

The total set of genes in a population.

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Genetic drift

Random changes in gene frequencies in a small population.

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Gene flow

Movement of genes between populations.

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Non-random mating/Sexual selection

Choosing mates based on specific traits.

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Genetic equilibrium/Hardy-Weinberg principle

Conditions under which allele frequencies remain constant in a population.