Natural Selection
Evolution happens through the process of Natural Selection. Information about Natural Selection and how it causes changes in species. Basic overview of the discovery of Natural Selection by Charles Darwin and Alfred Russell Wallace.
Definition of Natural Selection
A brief overview of Natural Selection and how it relates to evolution.
5 Free Online Movie Clips About Natural Selection
Watch short online movie clips about Natural Selection for free.
Types of Natural Selection - Stabilizing Selection
A definition and examples of stabilizing selection, one type of natural selection.
Types of Natural Selection - Directional Selection
A definition and examples of directional selection, a type of natural selection.
Types of Natural Selection - Disruptive Selection
A definition and examples of disruptive selection, a type of natural selection
Natural Selection Hands On Lesson Plan
A lesson plan for a hands on activity to reinforce the ideas of natural selection.
Artificial Selection
A definition of artificial selection and how it relates to the Theory of Evolution.
Sexual Selection
All about sexual selection - a type of natural selection.
London's Peppered Moths
An example of how Natural Selection works on the coloring of moths.
Natural Selection, by Charles Darwin
An excerpt from Charles Darwin's book On the Origin of the Species that explains what Natural Selection is and how it works.