What is the SI unit for measuring weight?

The SI unit for measuring weight is newtons

Explanation: The unit of measurement for weight is that of force, which in the International System of Units (SI) is the Newton. For example, an object witha mass of one kilogram has a weight of about 9.8 newtons on the surface of the Earth, and about one-sixth as much on the Moon.

essentially, one bacterial cell splits into two daugurer cells. bacterial offspring don't need or get care from their parents because they are in a sense their own parents. that said, some bacteria can and do depend on other bacteria especially in harsh environments such as bacterial microfilms in hot water tanks.