Biology, asked by kelly1891, 10 months ago

The relation between water fern azolla and cyanobacterium anabaena is

Answers

Answered by cbhavi28
0

Answer:

symbiosis/mutualism

Explanation:

anabaena dwells in air spaces present in leaves of fern azolla and thus provides N2  by fixing it[N2 fixation]

hope it helps

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