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Birth weight in human babies is one good example. Too small and babies lose heat rapidly and are also prone to infectious disease. Too large and they endanger themselves and their mothers by the great difficulty they have passing through the birth canal. So, a small range of birth weights have been selected for and this remains stabilized by the constraints listed above.
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What is the type of natural selection that favors intermediate phenotypes?
When natural selection favors the intermediate version of a characteristic, it is referred to as stabilizing selection. It is the opposite of disruptive selection.
When individuals with an average form of a trait have the highest fitness?
Stabilizing selection
Which natural selection select against both extremes?
Stabilizing selection.
Which type of natural selection favors the average individual in a population?
That would be the Stabilizing Selection where there will me not a lot of genetic variation. The curve of the population allele frequency would be quite thin with the extreme being in the middle.
What is the type of selection in which individuals at one end of the distribution curve higher fitness than individuals in the middle of at the other end?
stabilizing selection
