The answers to these questions are the following:
1. uses memory cells to fight off an infection from a pathogen: it is a specific response
2. evident by a sneeze, cough, fever, or other physical symptom: it is a non-specific response
3. recognizes antigens present on pathogens and attacks the pathogen with antibodies: it is a specific response
4. builds immunity to specific diseases that had previously entered the body: it is a specific response
5. does not target specific pathogens: it is a non-specific response