Natural Selection
Natural Selection
Natural Selection
- Natural selection is based off the idea that the environment limits growth of population by increasing the rate of death or decreasing the rate of reproduction, or both
- Organisms that have a greater number of favorable traits tend to have more offspring
- Darwin called the different degrees of successful reproduction natural selection
- Populations of organisms adapt to their environment
- Resulting change in genes make a population go through evolution
- Natural Selection is a passive process
- Selection differs as the environment changes
- Types of Selection
- Stabilizing – Average is preferred
- Directional – One extreme is preferred
- Disruptive – Either extreme is preferred
- Sexual – Females chose – Different kind of selection