What is Symbiosis? What is Symbiotic relationship?

Symbiosis: It is the type of nutrition in which two different kinds of depend on each other for their nutrition. In this both the organisms are benefited by each other Example: Lichen. In this one alga and one fungus live together and remain in symbiotic relationship. Symbiotic Relationship: Some organisms live together and share shelter and nutrients. This type of relationship is called symbiotic relationship.