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Driving question: How does ecosystem deal with animal and plants after they died? Flow chart of decomposing process Dead plant/animal (large organic molecules) Digestion Minerals (from soil) Digestion Small organic molecules Inorganic matter (H2O , CO2, minerals) Biosynthesis Back to ecosystem system Cellular Respiration H2O & CO2 For decomposers living Decomposer biomass (large organic molecules) For decomposers growth Three types of decomposers One common decomposer: Fungi Another decomposer – Invertebrates Crucial decomposers: bacteria and microscopic fungi The structure of mushroom cap gill stem hypha mycelium Are mushroom plants? Digestion part How do mushrooms grow? Switch our focus from cap of mushroom to mycelium Matter movement for digestion at macroscopic scale scales Large scale Macroscopic Microscopic Atomic molecular Analyzing Matter Process Matter Movement Material identity Digestion Biosynthesis All Energy Cellular respiration Energy transformation Blank Matter transformation for digestion at macroscopic scale scales Large scale Large Organic molecules Small Organic molecules Macroscopic Microscopic Atomic molecular Analyzing Matter Process Matter Movement Material identity Digestion Biosynthesis All Energy Cellular respiration Energy transformation Blank Energy transformation for digestion at macroscopic scale Large scale scales Heat Chemical energy Chemical energy Macroscopic Microscopic Atomic molecular Analyzing Matter Process Matter Movement Material identity Digestion Biosynthesis All Energy Cellular respiration Energy transformation Blank Digestion at macroscopic scale Large scale Heat scales Chemical energy Chemical energy Large Organic molecules Macroscopic Microscopic Small Organic molecules Atomic molecular Analyzing Matter Process Matter Movement Material identity Digestion Biosynthesis All Energy Cellular respiration Energy transformation Blank What happens for digestion at microscopic scale ? Fungal hypha Plants’ or animals’ dead cell Matter movement for digestion at microscopic scale sugar Large scale scales Macroscopic Microscopic Atomic molecular Analyzing Matter Process Matter Movement Material identity Digestion Biosynthesis All Energy Cellular respiration Energy transformation Blank Matter transformation for digestion at microscopic scale Large scale Macroscopic Fungal hypha scales Sugar Microscopic Plants’ or animals’ dead cell Atomic molecular Analyzing Matter Process Matter Movement Material identity Digestion Biosynthesis All Energy Cellular respiration Energy transformation Blank Energy transformation for digestion at microscopic scale Large scale Fungal hypha Macroscopic Heat scales Chemical energy Chemical energy Microscopic Plants’ or animals’ dead cell Atomic molecular Analyzing Matter Process Matter Movement Material identity Digestion Biosynthesis All Energy Cellular respiration Energy transformation Blank Digestion at microscopic scale Heat Large scale Chemical energy Chemical energy Macroscopic scales Sugar Microscopic Atomic molecular Analyzing Matter Process Matter Movement Material identity Digestion Biosynthesis All Energy Cellular respiration Energy transformation Blank What happens for digestion at atomic-molecular scale ? Matter transformation for digestion at atomic-molecular scale Large scale scales Macroscopic Microscopic Starch & cellulose Protein Sugar amino acids Atomic molecular Analyzing Matter Process Matter Movement Material identity Digestion Biosynthesis All Energy Cellular respiration Energy transformation Blank Matter movement for digestion at atomic-molecular scale Large scale scales Macroscopic Microscopic Click to see animation Atomic molecular Analyzing Matter Process Matter Movement Material identity Digestion Biosynthesis All Energy Cellular respiration Energy transformation Blank Energy transformation for digestion at atomic-molecular scale Large scale Heat scales Macroscopic Microscopic Chemical energy Chemical energy Atomic molecular Analyzing Matter Process Matter Movement Material identity Digestion Biosynthesis All Energy Cellular respiration Energy transformation Blank Digestion at atomic-molecular scale Heat Large scale Chemical energy Chemical energy scales Macroscopic Microscopic Starch & cellulose Protein Sugar amino acids Atomic molecular Analyzing Matter Process Matter Movement Material identity Digestion Biosynthesis All Energy Cellular respiration Energy transformation Blank