Fig. 3-7, p. 55 Nitrogen cycle Biosphere Heat in the environment Phosphorus cycle Carbon cycle Oxygen cycle Water cycle Ecological Cycles.
Chapter 4: Ecosystems: Components, Energy Flow, and Matter Cycling “The Earth’s thin film of living matter is sustained by grand-scale cycles of energy.
Chapter 3 Nutrient Cycles. MATTER CYCLING IN ECOSYSTEMS Nutrient Cycles: Global Recycling Global Cycles recycle nutrients through the earth’s air, land,
