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Terrestrial Biomes Biomes are defined as the world's major communities, classified according to the predominant vegetation and characterized by adaptations.

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Presentation on theme: "Terrestrial Biomes Biomes are defined as the world's major communities, classified according to the predominant vegetation and characterized by adaptations."— Presentation transcript:

1 Terrestrial Biomes Biomes are defined as the world's major communities, classified according to the predominant vegetation and characterized by adaptations of organisms to that particular environment.

2 Deserts… Species diversity is LOWER due to extreme conditions

3 Hot and dry – Tropical… Temperature extremes: Little insulation due to lack of humidity HOT during the day, COOL at night Evaporation exceeds precipitation Death Valley Sahara Mexico, Australia, Arizona

4 Plants… Adapted to prevent water loss Succulent

5 Animals… Also adapted to dry conditions: Nocturnal, burrowers, thick skin

6 Cold - Polar… Antarctica, Greenland, Arctic, High Mountains

7 Tropical desert (Sahara Desert)
Cold desert

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9 Grasslands North America: Prairies South America: Pampas South Africa:
Veldt or Savanna Asia: Steppes Australia: Rangelands

10 Grassland – Savanna Africa Wet and dry seasons

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12 Grassland – Temperate Hot and Cold Seasons

13 Grassland – Temperate

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15 Tundra

16 Arctic Tundra

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20 Alpine Tundra

21 (in the arctic)

22 Chaparral (Mediterranean)

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26 Forest - Tropical Rain Nutrient POOR and acidic soil MOST biodiverse Rainfall abundance due to transpiration

27 Plants: Broadleaf evergreen Thick canopy, less growth on forest floor due to sunlight being the limiting factor

28 Animals…

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32 It’s disappearing… FAST

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34 Forest – Temperate Deciduous

35 Plants Broadleaf trees – shed their leaves every year

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38 Forest - Temperate Rain

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42 Forest – Taiga Boreal Coniferous

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