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nekit [7.7K]
3 years ago
13

Why are phytoplankton commonly referred to as primary producers?

Biology
1 answer:
Vera_Pavlovna [14]3 years ago
3 0

Answer:

B.

They are autotrophs relied upon directly or indirectly by the rest of the marine biome

Explanation:

Plants make their own food through a process called photosynthesis. Using the energy from the sun, water and carbon dioxide from the atmosphere and nutrients, they chemically make their own food. Since they make or produce their own food they are called producers.

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