QuestionMay 4, 2026

Phytoplankton are microscopic photosynthesizing organisms that typically live in the upper layers of the ocean. What trophic level do phytoplankton belong to? Primary producers Decomposers Primary consumers Secondary producers

Phytoplankton are microscopic photosynthesizing organisms that typically live in the upper layers of the ocean. What trophic level do phytoplankton belong to? Primary producers Decomposers Primary consumers Secondary producers
Phytoplankton are microscopic photosynthesizing organisms that typically live in the upper layers of the ocean. What trophic level do phytoplankton belong to? Primary producers Decomposers Primary consumers Secondary producers

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Answer

Primary producers Explanation 1. Identify role in food chain Phytoplankton perform photosynthesis, converting sunlight into chemical energy, producing organic matter. 2. Classify trophic level Organisms that produce their own food via photosynthesis are **primary producers** at the base of the food chain.

Explanation

1. Identify role in food chain <br /> Phytoplankton perform photosynthesis, converting sunlight into chemical energy, producing organic matter. <br />2. Classify trophic level <br /> Organisms that produce their own food via photosynthesis are **primary producers** at the base of the food chain.
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