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.
We tend to think of plants as being essentially stationary incapable of movement other than that generated by the wind. But all plants do move as they grow and respond to aspects of their environment.
Courtesy of Phobosuchus1