46: Ecosystems Last updated Mar 6, 2021 Save as PDF 45.7C: Cognitive Learning and Sociobiology 46.1: Ecology of Ecosystems Page ID12640 BoundlessBoundless ( \newcommand{\kernel}{\mathrm{null}\,}\) 46.1: Ecology of Ecosystems46.1A: Ecosystem Dynamics46.1B: Food Chains and Food Webs46.1C: Studying Ecosystem Dynamics46.1D: Modeling Ecosystem Dynamics46.2: Energy Flow through Ecosystems46.2A: Strategies for Acquiring Energy46.2B: Productivity within Trophic Levels46.2C: Transfer of Energy between Trophic Levels46.2D: Ecological Pyramids46.2E: Biological Magnification46.3: Biogeochemical Cycles46.3A: Biogeochemical Cycles46.3B: The Water (Hydrologic) Cycle46.3C: The Carbon Cycle46.3D: The Nitrogen Cycle46.3E: The Phosphorus Cycle46.3E: The Sulfur Cycle