2organisms living closely together and benefiting from 1 another is called

Two organisms living closely together and benefiting from one another is called mutualism

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.