Please someone help me

Hey me with this one❤☺❤ how do you say that a cell also has a life span and death like an organism? give one example.

Glucose is a form of sugar found in the blood cells use glucose as a source of energy, but too much or too little can cause serious health issues so, the body uses the hormone insulin to regulate glucose n the blood insulin maintain glucose levels in the blood if blood glucose lovels got very high, what would you expect to see happen to insulin levels?

The image shows a group of fish. the type of social behavior shown in the image is called