NEET BIOLOGY

Detailed explanation-1: -The extinction of species (and larger groups) is closely tied to the process of natural selection and is thus a major component of progressive evolution. In some passages of the Origin, Darwin seems to have seen extinction as part of natural selection; in others, as an inevitable outcome.

Detailed explanation-2: -There are a variety of methods currently being implemented to save endangered species. The most common are creation of protected areas, captive breeding and reintroduction, conservation legislation, and increased public awareness.

Detailed explanation-3: -Evolutionary rescue through the evolution of different life history traits, which could boost population dynamics, is prevented not only by the lack of genetic variability associated with small population size, but also by selection pressures associated with demographic functioning and habitat structure (Colas et al.

Detailed explanation-4: -Extinction is the engine of evolution, the mechanism by which natural selection prunes the poorly adapted and allows the hardiest to flourish. Species constantly go extinct, and every species that is alive today will one day follow suit. There is no such thing as an “endangered species, ” except for all species.