Question

name a gymnosperm in which cyanobacteria is associated

Answer 1

Answer:

Cyanobacteria form symbiotic relationships with all known Cycads. Cycads are the only gymnosperms known to participate in mutualistic ...

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Answer 2

Answer:

Cycas is the gymnosprem in which cynobacteria is associated.

Explanation:

The only gymnosperms that can currently create new relationships with cyanobacteria are cycas. All known species of cycads have symbiotic partnerships with cyanobacteria in specialised structures termed coralloid roots, which Reinke first described in 1872.

Cycas belong to the earliest members of the five major groups of seed plants – the gymnosperms Cycadales, Coniferales, Ginkgoales, Gnetales, and angiosperms.

The Cycas contains symbiotic cyanobacteria, also known as blue-green algae, and coralloid roots. These species use nitrogenase to carry out nitrogen fixation. Citrulline and asparagine, two important amino acids for plant growth, are produced by this nitrogen fixation.

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