Which item represents the most complex level of biological organization?

A. Ecosystem
B. Population
C. Community
D. Biome



Answer :

Final answer:

The most complex level of biological organization is represented by the biome.


Explanation:

The most complex level of biological organization is represented by option D, Biome. In the hierarchy of biological organization, it goes from the individual organism to the biosphere, where all ecosystems are part of a biome, making up the entire biosphere.


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