Question

The association of animals in which both the partners are benefited is known as

Answer 1

Mutualism is the symbiotic association in which both the partners are benefited

Example

rhizobium lives on root nodules

Answer 2

the association between animals in which both are benefitted is known as commensalism or symbiosis like that of a lichen where an algae and fungi are benefited as fungi give the algae shelter and algae provides food.

hope it helps.