Question

The trophic structure of an ocean is built on

Answer 1

Answer:

Plankton

Explanation:

"The trophic structure of the ocean is built on plankton, specifically phytoplankton (flora that use carbon dioxide, release oxygen, and convert minerals to a form animals can use). Zooplankton, such as krill, also play important roles, both as consumers of phytoplankton and as food for a wide variety of marine animals."

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