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Determine the pattern of evolution being described:A population of mollusks are living in a stable ecosystem in the ocean. A rapid dropin sea level causes the formation of a lake, which isolates a group of mollusks from therest. This quick environmental change causes rapid evolutionary change. Due to thenew small population, genetic drift occurs, and mollusks with larger shells rapidlybecome the most common trait.

User Kumar Roshan Mehta
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28 votes

This example describes an example of reproductive isolation which stops

User Melquiades
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