Organisms that must obtain nutrients and energy by eating other organisms are ?

Which of the following is the best definition of aerobic respiration? o a. the cellular process that releases energy by breaking down glucose o b. physical activity that involves the repeated motion of large muscle groups o c. physical activity that increases heart rate and breathing rate o d. the cellular process that converts solar energy to chemical energy

Which direction does the energy flow in this energy pyramid ?

When listening the levels of orginization in orginisims from the smallest to most complex , which level is just below organs in complexity