ScienceQuestion 81 of 120

Which of the following correctly orders levels of biological organization from smallest to largest?

a.Organ, tissue, cell, organism
b.Tissue, cell, organ, organism
c.Cell, tissue, organ, organism
d.Organism, organ, tissue, cell

Explanation

The correct order from smallest to largest is cell, tissue, organ, organism. Cells form tissues, tissues form organs, and organs form the whole organism.

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