Natural Selection

Natural Selection

The principle that, among the range of inherited trait variation, those that lead to increased reproduction and survival will most likely be passed on to succeeding generations.
The process by which forms of life having traits that better enable them to adapt to specific environmental pressures, as predators, changes in climate, or competition for food or mates, will tend to survive and reproduce in greater numbers than others of their kind, thus ensuring the perpetuation of those favorable traits in succeeding generations.


A random error in gene replication that leads to a change


in psychology, the biologically and socially influenced characteristics by which people define male and female.
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