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Unit 12 Part 1 Notes The Biomes. Biomes are a group of ecosystems with similar climates (temperature and rainfall) and organisms. Climate and Biomes. Climate is the typical weather patterns over a long period of time. Refers to temperature and precipitation. Types of Biomes. Terrestrial

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Unit 12

Part 1 Notes

The Biomes

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Biomesare a group of ecosystems with similar climates (temperature and rainfall) and organisms.

climate and biomes
Climate and Biomes
  • Climateis the typical weather patterns over a long period of time.
    • Refers to temperature and precipitation.
types of biomes
Types of Biomes

Terrestrial

  • Located on land
    • Taiga
    • Tundra
    • Temperate Forest
    • Tropical Rain Forest
    • Deciduous Forest
    • Desert
    • Grassland

Aquatic

  • Located in water
    • Marine
    • Freshwater
    • Estuary (where fresh and salt water mix)
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Tropical Rain Forest

  • Warm temperature
  • High amount of rainfall
  • Dense vegetation
  • Found close to the equator
  • Most species rich biome
  • Trees are arranged in layers which provides habitats for the wide range of organisms.
desert
Desert
  • Dryest biome
  • Sparse to little plant life
  • Little precipitation
  • Plants and animals have adaptations that allow them to prevent water-loss
    • Ex, cacti have a thick waxy covering and spines; animals are noctural
grassland
Grassland
  • Also called “savanna”
  • Rich soils, grasses, few trees
  • Have a dry season
  • Receive more rain than desert=more plants
  • Ideal for growing grains (wheat, rye, oats)
temperate forest
Temperate Forest
  • Also called “deciduous” forest
  • Contain hardwood trees that lose their leaves in the fall.
  • Typically have warm summers, and cold winters
  • Precipitation can be in the form of snow or rainfall
tundra
Tundra
  • Dry and cold
  • Soil is nutrient poor which limits the types of species it can support
  • Beneath top soil layer is permafrost- layer of soil frozen year-round
  • No trees, plants are cold-drought resistant
  • Animals have adaptations to resist cold (blubber, thick fur)
taiga
Taiga
  • Abundance of coniferous trees
  • Warmer and wetter than the tundra, but still cold
  • Usually no permafrost
  • Provides for more species diversity than the tundra
freshwater biomes
Freshwater Biomes
  • Algae is the most abundant plant because sunlight has to be there in order for photosynthesis to occur.
  • Examples: ponds, lakes, rivers, streams
  • Animals include those that live in the water and at the shore.
marine biomes
Marine Biomes
  • Phytoplankton are the main producers.
  • Examples: ponds, lakes, rivers, streams
  • Animals include those that live in the water and at the shore.
  • Includes oceans, estuaries (places where salt & freshwater mix), and coral reefs (occur in shallow water).