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Which of the following organisms would be considered the most important part of the ocean's ecosystem because they are producers?

A: Clams
B: Dolphins
C: Jellyfish
D: Phytoplankton

2 Answers

0 votes
D, phytoplankton produce their own food, therefore they are the producer of the ecosystem. Hope I helped :)
User Benno Eggnauer
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12 votes
It would be D phytoplankton

Explanation: this feeds the majority of everything in the ocean
User James Harrison
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