Question

there exists a close association between the alge and the fungus within a lichen ​

Answer 1

Answer:

Lichens are symbiotic associations i.e. mutually useful associations, between algae and fungi. The algal component is known as phycobiont and fungal component as mycobiont, which are autotrophic and heterotrophic respectively

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Answer 2

Explanation:

yes because algae can prepare its food with the help of sunlight but as we know fungus cant make its food by own , so it depend on algae

in return algae take nitrogen from fungus

to fulfill there need this relation , symbiosis takes places