Dr. Stott is conducting a study to determine what 9-year-olds know. Based on theory, he believes that the 9-year-olds will advance in knowledge based on instructions. Dr. Stott’s belief is based on:

the generally accepted parts of modern cell theory include: all known living things are made up of one or more cells. all living cells arise from pre-existing cells by division. the cell is the fundamental unit of structure and function in all living organisms.

if you know your abc's you should be able to get your answer or just use google

bacterium is not correct