Question

Explain the evolution of species by the Theory of Natural Selection.

Answer 1

Evolution of Species by Natural Selection according to Darwin:

1. Enormous Fertility: Organisms produce more offspring than can survive.
2. Struggle for Existence: Due to limited resources, organisms compete, and only some survive.
3. Variations: Individuals within a species exhibit heritable variations.
4. Natural Selection (Survival of the Fittest): Organisms with favorable heritable traits have higher survival and reproductive success.
5. Origin of Species: Over many generations, favorable traits accumulate, adaptations develop, and new species arise as descendants become distinct from their ancestors.