I believe it is either fish of plants (Most likely plants).
<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>
When converted to a household measurement, 9 kilograms is approximately equal to a