Innate immunity is a non-specific, primitive response of defense mechanisms of the body against any insult. Adaptive immunity refers to response against specific antigens. The difference between innate and adaptive immunity are elaborated in the attached image. Reference: https://www.semanticscholar.org/paper/Innate-Immunity-in-the-Recognition-of-%CE%B2-Cell-in-1-Zhong-Xu/d1aa1493c398458d046f47811d84bacba7b1477d/figure/0