Different cells and cells from different species use very different chemicals for signaling

In some plants, pointed leaves (p) are dominant over rounded leaves (p). a plant with a genotype of pp

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.

According to this food web which of the following would be considered primary consumers