Question

What are Lichens according to class9

Answer 1

lichens are organisms which we can see in the bark of the tree . they show symbiotic relation as they get food from algae and get mechanical support from fungi .they are used are air pollutants for SO2

Answer 2

Litchens is a complex organism. It is mix of algae and fungus. It builds most of its characteristics from fungus. It needs clean air to grow. Litchens are very important for the ecosystem. It comes in many shapes, sizes and colours. Litchens grow anywhere and hence should not be eaten as they may be poisonous and cause death.