Question

what are lichens
CBSE class 7 science chapter very short questions answers​

Answer 1

Answer:

Lichens are compound plants as algae and fungi live together in close association, as a result of which both are benefited. This relationship is called symbiosis. They occur as greyish green growths on rocks, bark of the tree or on the ground.

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Answer 2

Answer:

the plants provide nutrients to fungus and,in return,the fungus provide water and certain nutrients,called lichens..

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