Answer;
Ribosomes;
Explanation;
Ribosomes are organelles that are found inside a cell attached to the rough endoplasmic reticulum or freely suspended in the cytoplasm.
The are responsible for the process of translation which synthesis proteins in the cell.
Therefore; a pesticide that kills an insect by interfering with
the production of proteins in the insect would
most directly affect the activity of ribosomes.
Explanation:
The large fish will most likely eat most of the white fish, and there will only be gray fish left. Since the large fish can't see the gray fish well, they catch some but quickly starve because of the lack of white fish. In the end, only gray fish are left.
I think the answer is nitrogen fixation.