<span>The answer is A.
Invasive species are species that thrive unregulated
in an introduced environment/ habitat and
affect the biodiversity of the environment.
They boom unchecked mostly due to lack of a natural predator. Therefore, introducing
a predator will limit their growth. </span>
Expiration is when food goes bad and idk how to help sorry
The answer is B. Hope this helps. Please mark Brainliest:)