HIGH SCHOOL: Testing is frequent and covers small amounts of material. Teachers frequently conduct review sessions, pointing out the most important concepts. ...
COLLEGE: Testing is infrequent (a particular course may have only 2 or 3 tests in a semester) and may cover large amounts of material.
The basic needs for the survival of all living organisms are the same. All living organisms need to respire, digest food for obtaining energy, and get rid of metabolic wastes. Cells are capable of performing all the metabolic functions of the body. Hence, cells are called the functional units of life.
