Question

Extinction occurs when

Answer 1

when the species of the organism is not found

Answer 2

Hii there sonika

Extinction occurs when the particular organism completely disappears from earth forever

For example

If we take dinosaurs they were their millions of years ago
Now they are not there and won't be on earth forever

So we can conclude that extinction when a particular organism vanished from earth

Hope u got it

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@ACE
#MeganNicole01#