Assertion (A): A cattle egret and grazing cattle in close association is a classic example of commensalism. Reason (R): As grazing cattle move…

Assertion $\displaystyle (A)$ : A cattle egret and grazing cattle in close association is a classic example of commensalism. Reason (R) : As grazing cattle move through the field, they stir up and flush out insects from the vegetation that otherwise might be difficult for egrets to find and catch.