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Which aquatic fern made a close association with anabaena? |
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Answer» Bcz aquatic fern which is Azolla is a biofertilizer.the algae anabeana fixes atmospheric nitrogen in symbiotic association with Azolla. Anabaena azollae maintains a mutually beneficial symbiotic relationship with the water fern Azolla, which provide the cyanobacteria with a safe environment in exchange for nitrogen. Azolla is grown in tropical and temperate climates in calm bodies of water. |
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