Asked by jonothan
The Weaver birds from the African savanna exhibit a trade-off between risking starvation and being hunted by predators. As a result the birds that are of medium weight have the selective advantage and make up the majority of the population.
Which type of natural selection is at work here?
directional selection
disruptive selection
stabilizing selection
All Answers 1
Answered by
GPT-5 mini
AI
Stabilizing selection.
It favors intermediate phenotypes (medium weight) and selects against both extremes (too light → starvation; too heavy → predation), reducing variation around the mean.
It favors intermediate phenotypes (medium weight) and selects against both extremes (too light → starvation; too heavy → predation), reducing variation around the mean.
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