1. Ecosystems
Ch.21

2. (21-1) Terrestrial Biomes
Biomes: large terrestrial ecosystems that contain smaller ecosystems w/in them
7 major biomes

3. 7 Major Biomes

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

5. Taiga Cold Little precipitation Nutrient poor soil
Plants: evergreen trees
Needles
Animals: moose, bears, wolves
Hibernation

6. Temperate Deciduous Forest
Temperate weather
Avg. precipitation
Moderate soil nutrients
Plants: leaf trees
Animals: deer, raccoons, squirrels

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

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

9. Savanna (Chaparral) Moderate temp.’s Wet season & dry season
Nutrient poor soil
Plants: tall grasses
Animals: zebras, giraffes, leopards

10. 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