Question

what is Darwinism /Theory of natural selection​

Answer 1

Answer:

More individuals are produced each generation that can survive. Phenotypic variation exists among individuals and the variation is heritable. Those individuals with heritable traits better suited to the environment will survive......

Answer 2

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Darwinism is the theory of natural selection given by charles Darwin. He supported evolution by following principles:-

• Over production :- every organisms possess enormous fertility. They multiply in geometric ratio. But all of them do not survive.

• Limited food and space:- Despite of rapid multiplication of all types of species, food and space and resources remain limited. They are not liable to increase.

• Struggle for existence :- organism wil have struggle for their existence. It may be intraspecific, interspecific and environmental.

• Survival of fittest :- the organisms which are provided with favourable Haan would survive, because they are the fittest to face their surroundings while the unfits are destroyed or rejected by the nature.

• Inheritance of useful variations :- such useful variations are transmitted to the next generation while non-useful variations are eliminated.

• Formation of new species:- such useful variations appear more prominently in succeeding generations. And finally formation of new species takes place.