BasicStudents matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient)Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
AdvancedStudents matched to this level are ready for material that requires superior performance and mastery.
Demonstrates a mammal's locomotion in action. Watch a cheetah utilizing its fast limbed body to take down a nearby gazelle. You can explore additional resources on the right (such as the anatomy of a cheetah).