Answer:
A fungus Is actually classified into a seperate class (decomposers), but out of these answers choices, it would probably be all 3.
Explanation:
A fungus can break down any dead organism, so it would be all 3 (but it is actually a decomposer)
A relation of a substance's mass to its volume.
Density = Mass / Volume
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Short Answer
Explanation:
The cell cycle is a cycle of stages that cells pass through to allow them to divide and produce new cells.