The top row definitly pretty obvious
It will be negative feedback, because it doesn't happen at a constant rate. Unlike giving birth, lt is considered a positive feedback because the body needs it for delivery.
Answer:
<em>Vacuole</em>
Explanation:
Vacules are the storage bubbles within the cell. They store food, nutrients and/or other organic compound which might cell require during starving conditions. They are more than one in animla cells but relatively smaller. The diagram shown is the schematic representation of the animal cell.
D is what I would put because it looks right