Question

the characterstic feature of lichen

Answer 1

Listen is a symbiotic relationship between algae and fungus. Fungus provide shelter to algae and algae in return provide food to Fungus.

Answer 2

Grows in areas where either fungi or algae could not survive alone: rocks, cement, rooftops, trees, and newly exposed soil. world wide distribution and can grow in the extremes of temperature and heat Grows very slowly, secreting acids that break down rocks. Accumulate nutrients needed for plant growth. Sensitive to air pollution .