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Which item represents the least complex level of biological organization?

A.
B.
C.
D.


Sagot :

Final answer:

The least complex level of biological organization is represented by the hydrogen atom.


Explanation:

The item that represents the least complex level of biological organization is the hydrogen atom.

The hierarchy of biological organization from the smallest to the most encompassing is as follows: organelle, cell, tissue, organ, organ system, organism, population, community, ecosystem, and biosphere.

In this hierarchy, the hydrogen atom is at the lowest and simplest level.


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