Bacteria cells have a rigid cell that gives the bacteria its shape. the outermost structure of the bacteria cell is the , which comes in contact with the environment. some bacteria have , or whiplike tails that spin to propel them forward.

Which are practical examples of how people in the developed world could make a big difference in how much water they use check all that apply a. use lightbulbs that use less electricity b. consider using a composting toilet that does not use water c. avoid using your telephone during peak hours d. do not read books