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Q: Small, marine-dwelling organisms, phytoplankton, are related to which trophic level in the food web?
  • A. Decomposers
  • B. Primary producers
  • C. Secondary consumers
  • D. Primary consumers
Correct Answer: Option B - Phytoplankton are related to the primary producers trophic level in the food web. They are microscopic plants that live in the ocean and use sunlight to produce energy through photosynthesis. Phyto plankton form the base of the aquatic food web, serving as the primary source of food for many marine organisms, including zooplankton, which are primary consumers.
B. Phytoplankton are related to the primary producers trophic level in the food web. They are microscopic plants that live in the ocean and use sunlight to produce energy through photosynthesis. Phyto plankton form the base of the aquatic food web, serving as the primary source of food for many marine organisms, including zooplankton, which are primary consumers.

Explanations:

Phytoplankton are related to the primary producers trophic level in the food web. They are microscopic plants that live in the ocean and use sunlight to produce energy through photosynthesis. Phyto plankton form the base of the aquatic food web, serving as the primary source of food for many marine organisms, including zooplankton, which are primary consumers.