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hurricanes, earthquakes, fires, or habitat destruction.

iv. No natural selection
v. Random mating

i. A very large population sample
ii. No migration of individuals into or out of the population
iii. No mutation

Microevolution—the change in the frequencies of alleles or genotypes in a population from generation to generation (evolution on a sma

changes in the gene pool due to chance because of a small population.

migrate to found a new population.