1. Ch. 22.3 Energy in Ecosystems pp.424-429
Biome = large ecosystem
May have smaller ecosystems within
Defined by patterns of
Temperature
Weather
Rainfall
Soil types
Plant communities
Animal communities
Latitude
Ch Energy in Ecosystems pp
Terrestrial = land, earth, terra
Aquatic = water, aqua

2. Ch. 22.3 Energy in Ecosystems pp.424-429
Patterns of: Latitude Biome makeup
Ch Energy in Ecosystems pp

3. Ch. 22.3 Energy in Ecosystems pp.424-429
Patterns in biome weather due to sun, wind, and season patterns.

4. Ch. 22.3 Energy in Ecosystems pp.424-429
Tundra = cold and treeless
Grasses, lichens, grazers
N. Canada, cold desert
Ch Energy in Ecosystems pp
60°-80° North Latitude
Cold and dry
Species Richness LOW

5. Ch. 22.3 Energy in Ecosystems pp.424-429
Taiga = cold, evergreen forest
Cold in winter, damp in summer
Ch Energy in Ecosystems pp
45°- 70° North
Cold and wet
Species Richness
LOW TO MODERATE

6. Ch. 22.3 Energy in Ecosystems pp.424-429
Temperature Deciduous Forest = Broadleaf forest
Deciduous= falling off
NE U.S., wet year-round
Ch Energy in Ecosystems pp
30°-50° North or South
Warm in summer, cold in winter
Species Richness
MODERATE

7. Ch. 22.3 Energy in Ecosystems pp.424-429
Temperate Grassland = prairies with rainfall year- round but less than forest
Ch Energy in Ecosystems pp
30°-50° N or S
Hot & Cold and drier
Species Richness
MODERATE

8. Ch. 22.3 Energy in Ecosystems pp.424-429
Desert = hot & dry, few plants
15°- 30° N or S
Ch Energy in Ecosystems pp
15°- 30° N or S
Hot and dry all year
Species Richness
MODERATE
Biomass is low

9. Ch. 22.3 Energy in Ecosystems pp.424-429
Savanna = tropical grasslands, similar to prairie; seasonal
wet season and dry season
Large herbivores
Ch Energy in Ecosystems pp
10°- 30° N or S
Hot and wet or hot and dry
Species Richness
LOW TO MODERATE
Biomass is much higher than desert

10. Ch. 22.3 Energy in Ecosystems pp.424-429
Tropical rainforest = hot and wet
Equatorial
Vertically layered
Ch Energy in Ecosystems pp
0°- 20° N or S
Hot and wet all year
Species Richness
EXTREMELY HIGH
Biomass is high

11. Ch. 22.3 Energy in Ecosystems pp.424-429
Weather influences biome:
Temperature and rainfall patterns….