Which type of stone tool traditionally marks the transition from the Middle to the Upper Paleolithic?

Question

Quizplus · Accepted Answer

The blade is a long, thin, flaked stone tool that is characteristic of the Upper Paleolithic, marking the transition from the Middle to the Upper Paleolithic period. Blades were used for a variety of tasks, including cutting meat and other materials, making weapons, and carving. Cleavers, choppers, and flakes are tools that were used throughout both the Middle and Upper Paleolithic, and are not necessarily indicative of a specific period.

Which Type of Stone Tool Traditionally Marks the Transition from the Middle