All orginsims grow and reproduce but how? and what about replacing those old and damaged cells?

Example:
When you skin your knee, cells divide to replace old, dead, or damaged cells. Cells also divide so living things can grow. When organisms grow, it isn't because cells are getting larger. Organisms grow because cells are dividing to produce more and more cells.

B.they all live in soil i know biology

Next time you want an answer put the answers