Question

Write short notes on Darwin's theory of natural selection​

Answer 1

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Explanation:Natural selection is the differential survival and reproduction of individuals due to differences in phenotype. It is a key mechanism of evolution, the change in the heritable traits characteristic of a population over generations. Charles Darwin popularised the term "natural selection", contrasting it with artificial selection, which in his view is intentional, whereas natural selection is not.

Answer 2

Answer:

Darwin's Theory of Evolution by Natural Selection

• 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.
• When reproductive isolation occurs new species will form.

These are the basic tenets of evolution by natural selection as defined by Darwin.