What organisms is unicellular? answered already

What is the ecological role of food chains and food webs

What is it called when part of a cell membrane closes around a molecule to allow the molecule to enter the cell? a. passive transport b. diffusion c. endocytosis d. exocytosisc. endocytosis

Where is most of the fresh water on earth found a in the ocean b in glaciers and in ice caps c in rivers d in the soil