Ecosystems Ch 21 21 1 Terrestrial Biomes Biomes
Ecosystems Ch. 21
(21 -1) Terrestrial Biomes • Biomes: large terrestrial ecosystems that contain smaller ecosystems w/in them • 7 major biomes
7 Major Biomes
Tundra • Very cold • Little precipitation • Permafrost – Nutrient poor soil • Plants: mosses, no big trees • Animals: caribou, snowy owls, arctic foxes
Taiga • • Cold Little precipitation Nutrient poor soil Plants: evergreen trees – Needles • Animals: moose, bears, wolves – Hibernation
Temperate Deciduous Forest • • • Temperate weather Avg. precipitation Moderate soil nutrients Plants: leaf trees Animals: deer, raccoons, squirrels
Temperate Grassland (Prairie) • • • Temperate weather Avg. precipitation Nutrient rich soil (topsoil) Plants: tall dense grasses Animals: bison (grazing) Endangered biome – Farming
Desert • • • Cold or hot Little precipitation Dry, sandy, nutrient poor soil Plants: cacti (conserve water) Animals: lizards, snakes
Savanna (Chaparral) • • • Moderate temp. ’s Wet season & dry season Nutrient poor soil Plants: tall grasses Animals: zebras, giraffes, leopards
Tropical Rain Forest • • Warm temp. ’s High precipitation Nutrient poor soil Plants: leafy trees – Canopy (little light to ground) • Animals: parrots, monkeys, snakes – Most world’s species
- Slides: 10