stairs
a fight of steps
A flight
stairs
In LittleBigPlanet, the first level you play from the group of levels called "The Gardens", is called "First Steps".
The steps by which energy flows among a group of organisms is called a food chain. This represents the transfer of energy from one organism to another as they consume each other.
The steps in an experiment are called the Scientific Method.
A group of Dolphins are called a Pod
a flight of steps
The control, or control group, goes through all the steps of an experiment, but does not contain the factor being tested, which is called the experimental variable or independent variable.
A group of dolphins is called a pod. If that is your question.
A group of shrews is called N.O.W.
a group of Blackbirds is called a murder