The correct order of body structures from simplest to most complex is Protein, Mitochondrion, Adipocyte (fat cell), Connective tissue, and Stomach. This hierarchy illustrates how biological organization builds complexity from basic proteins to multi-tissue organs. The correct choice aligns with this sequence. ;
The correct order of body structures from simplest to most complex is Protein, Mitochondrion, Adipocyte (fat cell), Connective tissue, and Stomach. The answer is found in option B of the multiple-choice list. This sequence underscores the biological organization from basic proteins to complex organs.
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