What types of organisms typically make up the base, middle, and top of a food web

Which of these organisms have the greatest amount of cell specialized

Ronald wants to see if a new shower cleaner works better in removing soap than his old cleaner. he uses the new cleaner on one half of the shower tiles and his old cleaner on the other half. identify the independent and dependent variables in this experiment. enter your answer in the space provided.

Which statement describe events that occur during interphase?