they have hardcore sex every night.
A terrarium community can have small plants and animals
they each have water around and sunlight
Animals step on dirt, which is nonliving.
oxygen That's definitly not the answer the CORRECT answer would be, each organism needs water to provide a medium for cell chemistry
it depends on which animal
land water and forest
cell wall
Water, because it is essential to all living cells.
enviroment
ecosystem
because you all are stupid
Unicellular organisms have only one cell for each organism. Multicellular organisms are organisms with more than one cell for each organism.