Question

Extinction _____.

only happens above the species level

cannot happen to more than one species at a time

has happened to over 99% of species that ever lived on earth

happens when a species or population dies out

Answer 1

C and D

Step-by-step explanation:

it's select all that apply

Answer 2

The answer is D; 'Happens when a species or population dies out". An extinction is when every single organism of s certain species dies or is killed, meaning that the species can never return or repopulate, as there are no remaining living individuals.

Answer C is also technically correct, but answer D is a better choice. Answers A and B are false statements.