Biology, asked by Sivanandhini50, 4 months ago

a filamentous blue green algae that can fix atmospheric nitrogen in heterocyst is
a) spyrogyra
b) ulothrix
c) nostoc
d) both b and c

Answers

Answered by Anonymous

1

Answer:

ans of your question is d option

Answered by renu20jan2018

0

Answer:

both b) and c)

Explanation:

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