If you are referring to 2014 Winter Olympics, Scottish competitors are included in Team GB just as they were at 2012 London Olympics.
The conventional wisdom is that the Scots developed curling, but there is a strong case for Holland as well. There are Dutch paintings of either curling or eisscheissen which predate the development of curling by the Scots.
Scotland
Scotland
Scotland
in Scotland
Scotland
Yes, they do have a curling team.
Curling is a team sport.
Scotland
It originated in Scotland
The most widely-held view is that the Scottish invented curling, so most people would say the Scottish invented the curling rock. Modern curling rocks are much more consistent in terms of shape and weight, but they all come from the same special granite quarry in Scotland.
Curling, Tossing the Caber.