a population of male and female goats is stranded on a large island. the goats differ from one another in…

a population of male and female goats is stranded on a large island. the goats differ from one another in several ways, including fur color, ear shape, and preferred food. a scientist predicts that the average ear shape of the goats will change gradually over time. according to darwins ideas about evolution and natural selection, the accuracy of the prediction depends on which of these conditions?\na. certain ear shapes allow the goats to hear a wider variety of sounds.\nb. certain ear shapes help the goats survive and reproduce on the island.\nc. the island provides enough food to support an increase in the goat population.\nd. the island lacks natural predators of goats.

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