__cellular_resperation_______________ is the process by which both plants and animals convert _____carbon dioxide_____________ into a usable form of energy called ATP in the presence of the gas called __oxygen________________ . Cellular respiration occurs in the organelle called _____mitochondria_____________ , which is referred to as the power plant of the cell. As energy is generated for the cell, ______glucose____________ and ________water__________ are released into the atmosphere for plants to start the process of photosynthesis. Both of these processes are needed for life on Earth to continue to exist.