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The primary producers (phytoplankton) of the oceans are the:

A. protists
B. seaweeds
C. plants
D. chemosynthetic organisms near underwater hot vents


Sagot :

Final answer:

Phytoplankton are the primary producers in aquatic ecosystems, playing a crucial role in oceanic productivity.


Explanation:

Phytoplankton are microscopic plants that are the primary producers in aquatic ecosystems, responsible for a large portion of the world's photosynthesis in oceans. They include diatoms, dinoflagellates, and coccolithophores which make up a significant amount of marine primary productivity.


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