An "endangered" species.
When the last individual organism dies the animal or plant will become extinct.
An endangered organism can be a plant or an animal whose population has reduced to such a small number that it is very existence is in danger .
they become endangered in 2099.
Because, they are NOT protected from any other creature.
some kind are endangered
Some are, yes.
they started to become endangered when global warming had started to increase
They are listed as vulnurable or threatened, not endangered.
Peacocks and peahens are not endangered.
they become endangered when the food they eat is scarce.
Yes. There are five endangered species now. Twelve are not endangered.