Given a scientific question, generate a correct answer to it.

[EX Q]: What is the term for a loop in which a product feeds back to control its own production?
[EX A]: feedback mechanism

[EX Q]: If no unbalanced force acts on an object the object remains at constant velocity or what?
[EX A]: at rest

[EX Q]: Where do the majority of species live?
[EX A]:
ocean