The photo shows a unicellular organism called a diatom. Which structures of this organism work together to carry out all of its life functions? A: Tissues

B: specialized cells

C: organ systems

D:organelles

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.