Ecosystems and the Biosphere Chapter 22 Ecosystems and the Biosphere
Grassland Food Web
Energy Flow Through an Ecosystem
Food Chain in an Antarctic Ecosystem
Food Web in an Antarctic Ecosystem
Making an Ecosystem Model
Energy Flow Through an Ecosystem
Amount of Energy at Four Trophic Levels
Causes of Earth’s Climate
Water Cycle
Carbon Cycle
Nitrogen Cycle
Carbon Dioxide and Average World Temperatures
Effects of Acid Rain
Global Distribution of Seven Biomes
Four Trophic Levels in an Aquatic Ecosystem
Three Habitats in a Marine Environment