The NPP of a forest is 10,000 kcal/m²/year. How much of this energy will be available to primary consumers?

• A. 10,000 kcal/m2/year
• B. 1000 kcal/m2/year
• C. 100 kcal/m2/year
• D. 10 kcal/m2/year

Answer: (B)