You will be given a definition of a task first, then some input of the task.
In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.

A critically endangered species is a species of plant or animal , that has an extremely high chance of dying out in the future .
Output:
A critically endangered ( CR ) species is one that has been categorized by the International Union for Conservation of Nature ( IUCN ) as facing an extremely high risk of extinction in the wild .