Answer: military and tribal
Step-by-step explanation:
The Roman Senate was simply an advisory and governing assembly in ancient Rome. The Roman senate held three main responsibilities which were it's function as an executive power, serving as the king's council, and also as a legislative body.
The Roman Senate wasn't an elected body, as the members were initially appointed by the consuls, before the censors appointed them. The two assemblies that made up the Roman senate were military and tribal.