Stabilizing selection (not the same thing as negative selection) is a type of natural selection in which genetic diversity decreases and the population mean stabilizes on a particular trait value. This is thought to be the most common mechanism of action for natural selection because most traits do not appear to change drastically over time. Stabi...
Found on
http://en.wikipedia.org/wiki/Stabilizing_selection
Natural selection that acts against any change in a current characteristic. Stabilizing selection occurs when an organism is already very well adapted to current conditions, and it tends to keep the species at an optimal middle point.
Found on
https://academy.allaboutbirds.org/bird-academys-a-to-z-glossary-of-bird-ter
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