Organisms play an important role in nitrogen fixation. Write two names of such organisms.
(N/A) The two organisms that play an important role in nitrogen fixation are:
$1$. $Rhizobium$ bacteria (found in the root nodules of leguminous plants).
$2$. Blue-green algae (such as $Anabaena$ and $Nostoc$).
$1$. $Rhizobium$ bacteria (found in the root nodules of leguminous plants).
$2$. Blue-green algae (such as $Anabaena$ and $Nostoc$).
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