Natural selection operates when nature selects for _____ .

Natural selection was a theory proposed by Darwin which shows how populations of living organisms change and adapt to new environmental conditions.
1. Since resources in the environment are limited and the populations are stable, having a competition where only the fit adapt and are able to survive.
2. The organisms which are fit and able to adapt, such organisms survive and this is known as the survival of the fittest.
3. In nature, only the fittest survive which are most adapted and evolved.
Natural selection operates when nature selects for fitness.