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A sudden volcanic eruption kills many members of a population of elk. By chance, the individuals that remain do not have the same mix of genes as the original population. The mechanism of evolution is:_________.

User Lbenedetto
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Answer:
Bottleneck effect

Step-by-step explanation:
By suddenly and drastically reducing the gene pool through means such as the natural disaster of volcanic eruption, a genetic bottleneck occurs.
User Asciitaxi
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