The energy to make atp comes from a(n) reaction

Question 4 using myplate's daily food plant for 2000 kilocalories as a reference, the servings from the protein foods group in this menu are a. adequate overall, and consistent with the dietary guidelines 2010 recommendations. b. short 2 ounce equivalents. c. inadequate in terms of the recommendations for a 2000 kcal diet. d. adequate overall, but inconsistent with the dietary guidelines 2010 recommendations.

How energy flows through each level in this energy pyramid. is all the matter and energy from one level transferred to the next level?

How energy move through ecosystem ?