Write briefly about “Survival of the fittest”.

1.	Write briefly about “Survival of the fittest”.
Answer» 1. Variations which are useful are retained, while those which are harmful are removed. 2. In a population where there is a struggle, the “fittest” will be survived. 3. Nature favours only useful variations. 4. Each species tends to produce large number of offspring. 5. They compete with each other for food, space, mating and other species. 6. In this struggle for existence, only the fittest can survive. This is called survival of the fittest. 7. Over long period of time this leads to formation of new species.

Answer»

1. Variations which are useful are retained, while those which are harmful are removed.

2. In a population where there is a struggle, the “fittest” will be survived.

3. Nature favours only useful variations.

4. Each species tends to produce large number of offspring.

5. They compete with each other for food, space, mating and other species.

6. In this struggle for existence, only the fittest can survive. This is called survival of the fittest.

7. Over long period of time this leads to formation of new species.

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