1. Genetic Drift

2. Genetic Drift vs. Natural selection
Genetic Drift (Small Populations)
-A random event such as a fire or flood that causes change.
It kills individuals regardless of traits —any one can die or be lucky enough to survive
Natural selection
-An prolonged or permanent change in the environment which causes individuals with certain traits to succeed and others to die

6. Natural Selection Genetic Drift Draw a t-chart to compare…
***Read the next page and then identify the differences

7. Genetic Drift vs. Natural selection
Genetic Drift (Small Populations)
-A random event such as a fire or flood that causes change.
It kills individuals regardless of traits —any one can die or be lucky enough to survive
Natural selection
-An prolonged or permanent change in the environment which causes individuals with certain traits to succeed and others to die