Can someone help me ill give brainlist

What does gradualism and punctuated equilibrium have in common

What are the result of when individual components in an organism interact with others to create noval stucture and function called

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.