Answer:
Adaptive Immunity
Step-by-step explanation:
Immunological system is a feature of adaptive immunity.
Adaptive immunity is the overall immune system that composed systemic cells and processes that prevent their growth.
Adaptive immune system works to protect and heal the body when the innate immune system stop.
Therefore Immunological memory is the ability of the immune system to recognize an antigen that the body has previously encountered by initiating an immune response.
Immunological memory is an important traits of adaptive immunity because the immune system can remember the antigens that previously activated it and launch a more intense immune reaction when encountering the same antigen a second time.
Immunological memory is a characteristic of our immune system.