____ occurs when one or more populations of a species is no longer found in an area it once inhabited, but is found elsewhere.

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Local extinction occurs when a population of a species is no longer found in a specific geographic area, but they may still be found in other areas. Ecological extinction refers to the decline of a species to such low numbers that it no longer plays a significant role in the ecosystem. Biological extinction refers to the complete disappearance of a species from the Earth. Natural selection refers to the process in which certain traits become more or less common in a population over time. Speciation refers to the formation of a new species through evolution.

____ Occurs When One or More Populations of a Species