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Chapter 34 - Slide 1 Chapter 34 The Biosphere Deep Sea...

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Unformatted text preview: Slide 1 Chapter 34: The Biosphere Deep Sea Hydrothermal Vents Slide 2 Ecology The study of interactions between organisms and between organisms and their environment Slide 3 Levels of Ecology 1. Organism level 2. Population level 3. Community level 4. Ecosystem level Slide 4 The Biosphere Slide 5 Slide 6 Abiotic factors influence living organisms • Solar energy • Water • Temperature • Wind The importance of adaptations Slide 7 Organisms can usually only survive in areas where they evolved The importance of climate Slide 8 North Pole Slide 9 60°N Low angle of incoming sunlight 30°N Tropic of Cancer Sunlight strikes most directly 0° (equator) Tropic of Capricorn 30°S Low angle of incoming sunlight Atmosphere 60°S South Pole March equinox (equator faces sun directly) June solstice (Northern Hemisphere tilts toward sun) Constant tilt of 23.5° September equinox Slide 10 December solstice (Northern Hemisphere tilts away from sun) Slide 11 Descending dry air absorbs moisture Trade winds 30° Temperate zone 23.5° Descending dry air absorbs moisture Ascending moist air releases moisture Trade winds Doldrums 0° 23.5° Tropics 30° Temperate zone Slide 12 60°N 30°N 30°S Slide 13 Wind direction East Pacific Ocean Sierra Nevada Coast Range Biomes Major types of ecological associations that occur across broad geographic regions of land or water Slide 14 Aquatic Biomes 1. Marine 2. Wetlands 3. Freshwater Slide 15 Slide 16 Intertidal zone Land Animals 0 Photic zone 200 m Continental shelf Pelagic zone Benthic zone (seafloor) 2,500–6,000 m Aphotic zone Terrestrial Biomes 30°N Tropic of Cancer Equator Tropic of Capricorn 30°S Tropical forest Temperate grassland High mountains Savanna Temperate broadleaf forest Polar ice Desert Coniferous forest Chaparral Tundra Slide 17 Tropical Forests Slide 18 Savannas Slide 19 Deserts Slide 20 Chaparral Slide 21 Temperate Grasslands Slide 22 Temperate Broadleaf Forests Slide 23 Coniferous Forests Slide 24 Tundra Slide 25 ...
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