C) they are multicellular
Bacteria is a large group of unicellular microorganisms. One bacterium is one small organism, and it is prokaryotic cell.
Parasites need a host. If a host tries to get rid of the parasite or kill it, then the parasite either has to leave the body or die.
Colony, cell is the answer also u can use quizlet to help you find the answers
Answer:
nervous system
Explanation:
the cns oversees every action our body does