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Biomes of the Earth.

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Presentation on theme: "Biomes of the Earth."— Presentation transcript:

1 Biomes of the Earth

2 Terrestrial Biomes Temperate Rainforest Tropical Rainforest Desert
Grassland Deciduous Forest Boreal Forest Tundra

3 Aquatic Ecosystems Freshwater Marine Wetlands

4 Temperate Rainforest >300 cm rain per year Moderate temperatures
Huge trees such as cedars, redwoods, douglas firs Mule deer, pileated woodpeckers Northwestern coast of US

5 Tropical Rainforest 200-1,000 cm rain per year
Average temperature degrees C Very diverse plants and animals Ferns, orchids, tall trees Parrots, snakes, frogs, monkeys, lizards Located near the equator

6 Desert <25 cm rain per year -4 to 38 degrees C average temperature
Saguaro cactus, creosote bush Hawks, owls, roadrunners, rattlesnakes, lizards Are cold at night Some have cold winters Great Basin in US, Gobi in Asia, are above and below equator

7 Grasslands Also known as savannas 25-130 cm rain per year
Average temperature range degrees C Antelope, zebra, giraffe, wildebeest, gazelles, lions, leopards Grasses, some shrubs and small trees Middle latitudes are grasslands, closer to the equator are called savannas

8 Deciduous Forest 75-150 cm rain per year
-30 to 30 degrees C average yearly temperature Many deciduous trees such as maples and oaks Many different bird species, chipmunks, skunks, white-tailed deer, black bear Located Eastern US, SA, Europe, parts of Asia, Africa, and Austrailia

9 Boreal Forest Also known as Taiga or Coniferous Forest
30-90 cm rain per year Average temperatures -40 to 20 degrees C Many coniferous trees such as spruce and firs Red squirrels, insects, finches, beaver, moose, wolves, bears, lynx Only located in the northern hemisphere, NA, Europe, Asia

10 Tundra <25 cm rain per year -40 to 18 degrees C average yearly temp
Often frozen all year – saturated, frozen soil Mosses, shrubs, grasses, dwarf forms of a few trees such as willows Insect eating birds, caribou, fox, wolves, arctic hares Northern NA, Northern Europe, Northern Asia

11 Freshwater Streams, rivers, ponds, lakes

12 Marine Has several zones, each with its own characteristics (intertidal, nertic, oceanic or open water) Most productive zone is nertic zone

13 Wetlands Swamps, marshes, and bogs are freshwater
Estuary is where fresh and salt water come together Very diverse, many plants and animals

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