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Plant Science Unit 2

Plant Science Unit 2. Lesson 6: Respiration. What is Respiration?. IV. Respiration is the process by which an organism provides its cells with oxygen so energy can be released from digested food. Respiration takes place in all living cells at all times.

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Plant Science Unit 2

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  1. Plant ScienceUnit 2 Lesson 6: Respiration

  2. What is Respiration? • IV. Respiration is the process by which an organism provides its cells with oxygen so energy can be released from digested food. Respiration takes place in all living cells at all times. • A. Mitochondria are energy processing factories for plants. Respiration takes place in the mitochondria of all cells. • B. Respiration yields the opposite results as photosynthesis. The process of photosynthesis absorbs energy, consumes carbon dioxide and releases oxygen. Respiration uses energy, consumes oxygen and releases carbon dioxide.

  3. V. Temperature, oxygen, soil conditions, and light can affect the rate of respiration. • A. Temperature—There is a direct relationship between respiration and temperature, as the temperature increases so does the rate of respiration. • B. Oxygen—Oxygen is required for respiration to take place. As oxygen levels decrease so does the rate of respiration. • C. Soil conditions—Soil containing large quantities of water cause the rate of respiration to decrease because of the lack of oxygen. • D. Light—The amount of energy produced by photosynthesis in low light conditions is reduced. Therefore the amount of energy available to conduct respiration is lower.

  4. PSS.4.PR Symbolic equation for Respiration sunlight & chlorophyll + C6H12O6 6 CO2 6 O2 6 H2O +

  5. PSS.5.PR Word equation for Respiration Glucose Water Oxygen + + Carbon Dioxide

  6. Equation solutions for Respiration Word Equation Glucose + Oxygen Carbon Dioxide + Water Symbolic Equation C6H12O6 + 6O2 6CO2 + 6H2O

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