AP BIOLOGY

Detailed explanation-1: -A species is extinct when the last existing member dies. Extinction therefore becomes a certainty when there are no surviving individuals that can reproduce and create a new generation.

Detailed explanation-2: -Extinction is a natural phenomenon: After all, more than 90 percent of all organisms that have ever lived on Earth aren’t alive today. But humans have made it worse, accelerating natural extinction rates due to our role in habitat loss, climate change, invasive species, disease, overfishing, and hunting.

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.

Detailed explanation-4: -The term extinct refers to an animal or plant species when there are no more individuals of that species alive anywhere in the world-the species has died out. Extinction is a natural part of evolution. For example, dinosaurs are extinct. Was this answer helpful?

Detailed explanation-5: -A species which is no longer present in its original range or as a distinct species any longer is called extinct species. It was previously living and existent but has now vanished from Earth. Eg : Dinosaurs, Dodo Bird.