Question

When no member of a species exists, or is presumed, beyond reasonable doubt, to have disappeared. What term is used to denote such species?​

Answer 1

Answer:

The categories, including the three globally threatened categories (Critically Endangered, Endangered and Vulnerable) are outlined below. For the total number of species in each category, see What's new. EXTINCT (EX) - A species is Extinct when there is no reasonable doubt that the last individual has died.