NEET BIOLOGY

Detailed explanation-1: -Natural selection is sometimes summed up as “survival of the fittest” because the “fittest” organisms-those most suited to their environment-are the ones that reproduce most successfully, and are most likely to pass on their traits to the next generation.

Detailed explanation-2: -survival of the fittest, term made famous in the fifth edition (published in 1869) of On the Origin of Species by British naturalist Charles Darwin, which suggested that organisms best adjusted to their environment are the most successful in surviving and reproducing.

Detailed explanation-3: -In natural selection, genetic mutations that are beneficial to an individual’s survival are passed on through reproduction. This results in a new generation of organisms that are more likely to survive to reproduce.