Which of the following states the relevance of the first law of thermodynamics to biology?

• A. Because living things consume energy, the total energy of the universe is constantly decreasing.
• B. Photosynthetic organisms produce energy in sugars from sunlight.
• C. Energy is destroyed as glucose is broken down during cellular respiration.
• D. Living organisms must increase the entropy of their surroundings.
• E. Energy can be freely transformed among different forms as long as the total energy is conserved.