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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.

Natural Selection

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.

Charles Darwin

A famous naturalist that used the term natural selection to describe his theories on evolution.

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