Work in a team is very important question
As a team member, you are dealing with your team members, your boss, your clients. Your answer needs to touch all the areas.
1) first, understand the mandate of the team
2) second, understand well your own responsibilities. Manage well your own time: prioritize your work, do well on your work - like finish work on time, document everything, keep team informed
3) be supportive to your work members; not afraid to ask help if needed;
4) progress report to your boss, discuss the problems, suggestions, initiatives with your boss; get guidance if needed; help boss promote services to client, realize the objectives of the team
5) tolerate differences in personality, views; resolve differences by open communication like informal talk, informal meetings..
6) avoid skip level reporting, complaining before communicating with the person, in case of problem
could be more...