Final answer:
Neisseria gonorrhoeae is the causative agent for gonorrhea, a common sexually transmitted disease characterized by symptoms such as urethritis.
Step-by-step explanation:
The causative agent for gonorrhea is Neisseria gonorrhoeae. Gonorrhea is a common sexually transmitted disease caused by this bacterium. It is characterized by symptoms such as urethritis, and it can also infect other body tissues including the skin, meninges, pharynx, and conjunctiva.