Q. Which of the following organisms fix nitrogen in aquatic ecosystems?

(A) Fungi
(B) Chemoautotrophs
(C) Cyanobacteria
(D) Phytoplankton

✅ Correct Answer: (C) Cyanobacteria

Published by Omveer ⭐ 5.26K Points at 29-Dec-2021 07:50 pm in Biology

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