Respuesta :
A contract as a basis for group membership is a typical characteristic of: group life insurance.
What is a contract?
A contract can be defined as a formally writen agreement between two or more parties such as a group of people, team, etc., which primarily gives rise to a mutual legal obligation that is enforceable by law.
In this context, a contract as a basis for group membership is a typical characteristic of group life insurance because there must be a collective agreement beween the parties involved.
Read more on a contract here: https://brainly.com/question/17185606