Learning Target 1: Populations Changing Over Time In Response to Selective Pressures
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7 Terms
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Variation
differences in traits within a population.
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Adaptation
inherited trait that increases survival or reproduction in a specific environment.
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Fitness
an individual's reproductive success relative to others in the population.
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Selective pressure
environmental factor that favors some traits over others.
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Natural selection
process where traits that improve fitness become more common in a population.
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Microevolution
small-scale changes in traits within a population over generations.
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Macroevolution
large-scale changes leading to the formation of new species (built from microevolution over time).
Note 
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