Natural selection

natural selection explaintion

Natural selection definition

organisms better adapted to their environment tend to survive and produce more off

Those who are most "fit" will survive and pass down their traits

Examples of natural selection

Deer mice that migrated to the sand hills of Nebraska changed from dark brown to light brown to better hide from predators in the sand.They where chosen because the mice that where dark brown are dieing off and the light brown where hiding and living.

What determines natural selection

Natural selection determines on who or what is trying to kill it.It also is who adaptation helps them survive and hide easier.This determines who is selected and will live.
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What might cause particular organism to be selected "out"

They might slowly die off or get picked off be predators.Others might have a mutation that helps them live