Material Cycling and G0 0 energy transfer 。8380o Abiotic chemicals (carbon dioxide, Heat Heat Solar oxygen,nitrogen, energy minerals) Heat Decomposers Producers (bacteria,fungus) (plants) Consumers (herbivores Heat carnivores) Heat 2002 Brooks/Cole-Thomson Learning 4 Heat Heat Heat Heat Heat Abiotic chemicals (carbon dioxide, oxygen, nitrogen, minerals) Producers (plants) Decomposers (bacteria, fungus) Consumers (herbivores, carnivores) Solar energy Material Cycling and energy transfer