Exaptation is a term used to refer to the process of evolution that occurs when a trait or characteristic is used for a purpose that is different from the one it was originally adapted for (Dawkins, 2004). This concept was first introduced by Stephen Jay Gould and Elizabeth Vrba in 1982 as a way to […]
The Definition and Scope of Selection Pressure Selection pressure is defined as the quantitative measure reflecting the intensity with which natural selection systematically favors the perpetuation of specific genetic traits—known as genotypes—over others within a given population. This differential preference is not merely passive; it is an active, measurable force that dictates which individuals are […]