Question

which type of evolution affects small isolated populations?

metaevolution

microevolution

macroevolution

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Explanation:

Microevolution refers to the change in allele frequencies within a population over generations. Small isolated populations are more likely to experience significant changes in allele frequencies due to genetic drift (a mechanism of microevolution). Genetic drift has a stronger effect in small populations. Metaevolution is not a standard term in evolutionary biology. Macroevolution refers to large - scale evolutionary changes above the species level (such as the origin of new species, genera, etc.) over long periods of time and is not specifically focused on small isolated populations in the way microevolution is.

Answer:

microevolution