Which type of macromolecule is made up of subunits that are called amino acids?
carbohydrate
lipid
nucleic acid
protein

Which type of organism is missing from the food web seen in the illustration? primary consumers decomposers primary producers secondary consumers

Asmall population of chimpanzees lives in a habitat thant undergoes no change for a long period of time. how will genetic drift affect this population

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.