Answer:
Active transport requires energy for the movement of molecules whereas passive transport does not require energy for the movement of molecules.
Explanation:
I believe its B because bees spread pollen but take honey.
<span>D. a phosphate group is removed from ATP to form ADP.</span>
Cells are the smallest unit of life
Just like any ecosystem, a self-sustaining ecosystem needs light for primary production and nutrient cycling. The environment must find an ecological balance and be able to support the survival and reproduction of all organisms living inside it