1.which of these is not a basic need of all organisms? a. soil b. appropriate environment c. food d. water 2.what is the change in environment called the causes an organism to take action a. stimulus b. genetics c. response d. growth carbohydrates are made up of hydrogen, oxygen, and a. copper b. carbon c. gold d. potassium how do all multicellular organisms begins? a. by expanding the sizes of there cells b. as a single cell c. by creating all their cells at one time d. as complex organisms