[Campbell Biology P.236] Analyze the provided diagram illustrating photosynthesis and cellul... | Practice Question

Analyze the provided diagram illustrating photosynthesis and cellular respiration. Which statement accurately describes the relationship between the two processes based on the flow of matter and energy shown?

  • A: Photosynthesis generates light energy which is directly used by cellular respiration.
  • B: Cellular respiration produces the CO₂ and H₂O that are "used in" photosynthesis, completing a cycle of matter.
  • C: Organic molecules and O₂ generated by photosynthesis are solely used by other organisms, not by the plant itself for cellular respiration.
  • D: Both processes directly produce ATP from light energy.

Explanation

The diagram illustrates a cycle where CO₂ and H₂O are generated by cellular respiration and then used as inputs for photosynthesis. Conversely, organic molecules and O₂ generated by photosynthesis are then 'used in' cellular respiration, demonstrating an interconnected cycle of matter.