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GrogVix [38]
3 years ago
12

This is the fundamental unit of matter; it is the smallest unit of an element. Organelle Organ System Atom Molecule

Biology
1 answer:
Vitek1552 [10]3 years ago
5 0
An atom is the smallest unit of matter. Then a molecule, then organelle and then organ systems,
(which are very much larger)!
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