4-23:Natural Selection - Notes

It helps species adapt to their environment.

It decreases genetic diversity.

It leads to extinction of species.

It has no impact on evolution.

To ensure species survival

To increase genetic diversity

Due to limited resources

To adapt to environmental changes

Environmental factors

Genetic differences

Dietary habits

Climate changes

Adaptations are random.

Adaptations are driven by variations.

Adaptations occur overnight.

Adaptations are not influenced by the environment.

Genetic Drift

Natural Selection

Mutation

Gene Flow