Definitions for "Reproductive isolation"
The inability of individuals within a species to create offspring with members of any other species. The mark of a species is its reproductive isolation from all other species.
Separateness of a species from another, represented by an inability to reproduce with one another to produce viable offspring.
Two populations of organisms are isolated if their members are unable to interbreed and produce fertile offspring. Various structural, behavioral, and biochemical features can prevent interbreeding and thus reproductively isolate populations as distinct species. Reptilia reprimere, to press back, keep back] The vertebrate class of reptiles, represented by lizards, snakes, turtles, and crocodilians.