Which of the following is the most complex according to their cellular level of organization? by Sunday | Sep 6 | Biology JAMB | 0 comments A. Heart B. Hair C. Euglena D. Hydra Correct Answer: Option A – Heart Users Also Read These:''From each according to his ability to each…Describe an experiment to show that heat energy is…SS1 First Term Biology Lesson Note – Cellular RespirationWhich of the following represents the correct…In cellular respiration, energy is made available to…