What do all cellular activities in living organisms use as a source of energy? ATP
lactic acid
pyruvic acid
glucose

*will mark brainliest for first correct answer* which of the following is most likely to affect the biodiversity of a park ecosystem? a. less rain than usual for several months b. ongoing pollution from a nearby factory c. park rangers plant a new type of tree d. disease wipes out an entire population

Which element provides strength to the exoskeleton of clams and oysters

What is a cordon and where is it found