Lesson: Respiration Vocabulary Words and Definitions 1. Respiration: Respiration is the process by which an organism provides its cells with oxygen for metabolism, and removes carbon dioxide which is produced as a waste gas. 2. Oxygen concentration The amount of oxygen (as a percent) available within the environment atmosphere. Model Agricultural Core Curriculum: Supplement University of California, Davis 319.1 Lesson: Respiration Bank of Questions 1. Question: products. Answer: 2. Question: Write the equation for respiration. Be sure to include all of the inputs and the C6H12O6 + H2O + O2 -------> CO2 + H2O + Heat Why is respiration important? Is it vital for life? Why? Answer: Respiration is the way that living things use food energy to provide cells with the necessary power which allows them to function. Therefore, no life would exist without it. 3. Question: How many hours during the day do plants respire. How is this different from the amount of time that plants photosynthesize? Answer: Plants respire all day long (24 hours). Photosynthesis only occurs when high quality light is shining on the leaves. Model Agricultural Core Curriculum: Supplement University of California, Davis 319.2