Chapter 21 Ecosystems

LE 50-10a North Pole 60°N Low angle of incoming sunlight Sunlight directly overhead at equinoxes Tropic of Cancer 60°S South Pole 30°N Atmosphere 30°S Tropic of Capricorn 0° (equator)

Section 1: Terrestrial Biomes Climate and climograph Biomes –Tundra –Taiga –Temperate forest –Tropical forest –Temperate grasslands –Savanna –Chaparral –Desert

Chapter 21 Earth’s Major Biomes Section 1 Terrestrial Biomes

Figure 50-20aa Tropical Forest

Figure 50-20ab Desert

Figure 50-20ba Savanna

Figure 50-20bb Chaparral

Figure 50-20ca Temperate Grassland

Figure 50-20cb Taiga

Figure 50-20da Temperate Forest

Figure 50-20db Tundra

Section 2: Aquatic Ecosystems Freshwater vs. Marine EstuariesZones –Photic –Aphotic –Benthic –Intertidal zone –Neritic Zone

Abiotic Factors Distribution factors –Temperature –Light penetration –Distance from shore –Open water vs. Bottom

Chapter 21 Intertidal Zone Section 2 Aquatic Ecosystems

Chapter 21 Neritic Zone Section 2 Aquatic Ecosystems

Chapter 21 Oceanic Zone Section 2 Aquatic Ecosystems

Chapter 21 Three Lake Zones Section 2 Aquatic Ecosystems

Chapter 21 Freshwater Biomes Section 2 Aquatic Ecosystems