Answer:
they are made to work together and there ae different types
Explanation:
there just made like that
OK if it wants to grow it just eats food and that's it you're welcome
DNA replication happen occuiar into the cytoplasm of the prokaryotes
Many cells working together forms a tissue. Many tissues working together forms organs. Many organs working together forms organ systems. So it goes from general to most specific. Organ systems are needed in order for life. This proves that cells are the most basic units of life.