What mechanism of evolution occurs when individuals move in or out of a population?Group of answer choicesmutationgene flownatural selectiongenetic drift

What mechanism of evolution occurs when a new version of a trait arrises in a population?Group of answer choicesgenetic driftnonrandom matingmutationgene flow

What evolutionary mechanism is affected by random chance or natural disasters?Group of answer choicesSpeciation eventMigrationNatural selectionGenetic Drift

What mechanism of evolution occurs when mating occurs between similar individuals?Group of answer choicesnonrandom matinggene flowmutationnatural selection

Which of the evolutionary forces is most likely to decrease variation between populations?Group of answer choicesgene flowfounder effectrandom mutationnatural selection

Genetic drift and migration are mechanisms of evolution but are not mechanisms of natural selection.Group startsTrue or False