Question

pneumatophores comes under which phylum

Answer 1

Answer:

Cnidaria

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Answer 2

Avicennia like plant occurs in marshy and swampy areas.

In marshy areas, There is no air or gases for exchange required for roots of the plant. specially Oxygen.

To compete this deficiency, roots of plants which are horizontal, produces adventitious respiratory roots which comes out upwar and are negatively geographic.

Upright roots called pneumatophores has lenticles or pneumatothodes at there apex which helps in capturing gases.