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The black bellied seed cracker, Pyrenestes, is a West African finch. Within the same geographic region, two subspecies of the finch are found. One subspecies has a large beak, which is efficient at cracking the hard seeds of the sedge, Scleria verrucosa. The other subspecies has a small beak, which is more efficient at eating the soft seeds of the sedge, Scleria goossensii. What type of selection occurred to produce this situation

Sagot :

Answer: Disruptive selection

Explanation:

Disruptive selection is simply referred to as an evolutionary force which brings about the division in a particular population thereby leading to a situation whereby the organisms that have an intermediate traits have a lesser reproduction than those with extreme traits who then reproduce more. Based on the question, disruptive selection will affect the regions involved.

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