Both need water and air. We often think of animals using oxygen and glucose for cellular respiration and producing carbon dioxide. Similarly, we might think of plants using carbon dioxide and sunlight ...

Different conditions and activities affect this system. Photosynthesis and respiration are processes that allow plants to make food and release energy. Factors affecting the rate of photosynthesis ...

Photosynthesis is the process by which ... then carries out a series of reactions. Factors affecting respiration Most cell activity requires chemical energy. Respiration is the cellular process ...