Final answer:
The adaptive immune response is systemic, specific, and has memory, but it does not occur immediately after the body is challenged by foreign material.
Step-by-step explanation:
The adaptive immune response is systemic, specific, and has memory. However, it does not occur immediately after the body is challenged by foreign material. The innate immune response is the initial response that occurs immediately, while the adaptive immune response takes several days or even weeks to become established.