Drag and drop the words or phrases that accurately complete the paragraph.

Evolutionary change is caused by mechanisms such as natural selection, genetic drift, gene flow, and non-random mating. Genetic drift is when the gene frequencies and traits within a population change
. Gene flow occurs when organisms move from one population to another and begin to
. Furthermore, non-random mating occurs when organisms
who to mate with based on certain traits. When an organism has specific traits to survive in an environment and lives long enough to reproduce, it is called
.
take over
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