Question

how natural selection contributes to the evolution of man?

Answer 1

The genetic variation takes place with every generation. As there are small slight changes with every generation, over a period of, say 1 million years, the changes become so very obvious that it may lead to the formation of a whole new species.

Answer 2

thanks but try do describe even contributions of Darwin in evolution

Answer 3

Sorry, but I don't know about Charles Darwin's contributions to natural selection. Others may help you though.

Answer 4

darwin says: survival of the fittest. the fittest animal to a certain situation will always find the most food, thus being healthiest and being able to have the strongest offspring. its genes will be inherited by the offspring, thus leading to the slight differences in every generation, like pratu said. this is exactly what darwin contributed to evolution theory. he proved it with experiments on Darwin's finches. Try looking that up on http://en.wikipedia.org