The sum total of all the chemical reactions that occur in organisms is called

The sum total of all the chemical reactions that occur in organisms is called-Metabolism

Bunicellular.dinoflagellates are unicellular or multicellular, producers, and autotrophs, and apple trees are multicellular, producers, and autotrophs. all plants have numerous cells in them, so they can never be unicellular. the remaining characteristics they share with less complex organisms such as dinoflagellates.