Answer:
B. every cell of a multicellular organisms is responsible for movement
<span>Sodium channels close when not occupied
</span><span>Sodium ions diffuse through and enter the cell.
</span>
Then they leave the cell.
The sodium diverts in the cell layer have receptor locales for acetylcholine.
The answer is c i think or the 3 one,why wouldnt you give more food to a developing community
