Living systems are actively engaged in energy transformations Food pyramid Camivores Carnivore product (0.4 g) 2 Consumers Herbivores Herbivore product(6g) I Consumers Primary productivity (270 g) Photosynthesis 1Producers Procuctivity per squtare meter of a Tennessee field Carnivores, Herbivores,PhotosynthesisLiving systems are actively engaged in energy transformations Carnivores, Herbivores, Photosynthesis Food pyramid