Ecosystems

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Ecosystems

• Ch.21

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(21-1) Terrestrial Biomes

• Biomes large terrestrial ecosystems that contain
  smaller ecosystems w/in them
• 7 major biomes

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7 Major Biomes
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Tundra

• Very cold
• Little precipitation
• Permafrost
• Nutrient poor soil
• Plants mosses, no big trees
• Animals caribou, snowy owls, arctic foxes

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Taiga

• Cold
• Little precipitation
• Nutrient poor soil
• Plants evergreen trees
• Needles
• Animals moose, bears, wolves
• Hibernation

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Temperate Deciduous Forest

• Temperate weather
• Avg. precipitation
• Moderate soil nutrients
• Plants leaf trees
• Animals deer, raccoons, squirrels

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Temperate Grassland (Prairie)

• Temperate weather
• Avg. precipitation
• Nutrient rich soil (topsoil)
• Plants tall dense grasses
• Animals bison (grazing)
• Endangered biome
• Farming

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Desert

• Cold or hot
• Little precipitation
• Dry, sandy, nutrient poor soil
• Plants cacti (conserve water)
• Animals lizards, snakes

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Savanna (Chaparral)

• Moderate temp.s
• Wet season dry season
• Nutrient poor soil
• Plants tall grasses
• Animals zebras, giraffes, leopards

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Tropical Rain Forest

• Warm temp.s
• High precipitation
• Nutrient poor soil
• Plants leafy trees
• Canopy (little light to ground)
• Animals parrots, monkeys, snakes
• Most worlds species