Question

Lichens grow only in some area .Why and ahat are lichens​

Answer 1

Answer:

Lichens are a complex life form that is a symbiotic partnership of two separate organisms, a fungus and an alga. ... The alga can be either a green alga or a blue-green alga, otherwise known as cyanobacteria. Many lichens will have both types of algae.

Explanation:

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Answer 2

Answer:

Lichens colonize some of the most inhospitable habitats on earth. They can survive in extremely cold areas such as on high mountains and in regions such as the arctic. They may be virtually the only plant form surviving in some of these areas and can be vitally important sources of food for animals.

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