ANATOMY

Detailed explanation-1: -Extinction is the termination of a kind of organism or of a group of kinds (taxon), usually a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point.

Detailed explanation-2: -Extinction is the death of all members of a species of plants, animals, or other organisms.

Detailed explanation-3: -Extinction is the complete disappearance of a species from Earth. Species go extinct every year, but historically the average rate of extinction has been very slow with a few exceptions.