A change in an organisms DNA (a special trait) of an organism *Can be harmful or helpful.
Any variation that makes an organism better suited to it's environment.
A permanent change in your DNA (genetic material) of an organism *Can be harmful or helpful.
A process that weeds out the weak and allows for the strong to reproduce and pass down their traits.
The gradual change in inherited characteristics over time:graduated (millions of years) punctuated equilibrium (shorter time period).
A group of the same organism in a specific place/area.
When no more of a species exists.
A famous naturalist that used the term natural selection to describe his theories on evolution.