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Which of these is the lowest level of organization?

A. Organ
B. Tissue
C. Cell
D. Organ System

User Fmarc
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2 Answers

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Answer: The levels, from smallest to largest, are: molecule, cell, tissue, organ, organ system, organism, population, community, ecosystem, biosphere.

User Dan Hixon
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1 vote

Answer: Cell

Step-by-step explanation:

All the others are made up of cells

User Paul Harrington
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