Work team and work group: are they the same?

Organizations usually emphasize teamwork while searching for maximum performance, but oftentimes the effect of this is limited only to the good intentions from senior management. The most efficient work teams have quite defined characteristics, and they differ from work groups.

Photo by Cherrydeck on Unsplash

Having said this, we must ask ourselves what are the differences between a work group and a work team? Or rather: how to evolve from a group to a team?