The cell is the basic unit of structure and function in all living organisms. Tissues are made up of groups of cells with similar characteristics. These cells work together to carry out specific functions. Based on the definitions above and the functions of the three general tissue types, epithelial tissue will contain

if you listed your answers right then i believe your answer is b.

bacteria could be both, harmful and to us. harmful bacteria could make us sick and probably even by getting the chances of getting a disease, but good bacteria fight it off with your immune system. there is always bacteria everywhere we go. we need to make sure to wash our hands after using the restroom, before eating, after eating, after petting an animal too. so you see, bacteria is everywhere and is harmful or . i hope this . : ) : ) : )