B............................................. is the answer
Answer:Morphology and Physiology
Explanation:Morphology studies the form,structure and features of an organism this could include the shape,height,color etc while physiology help study the underlaying factor that gives rise to the ways its functions.
This two are key for a Biology to group an organism for when the morphology is know it is possible to classify such organism.
Answer:
change within a cell
Explanation:
In biology, depolarization is a change within a cell, during which the cell undergoes a shift in electric charge distribution, resulting in less negative charge inside the cell. Depolarization is essential to the function of many cells, communication between cells, and the overall physiology of an organism.