biomes eq: how are the earth’s terrestrial biomes alike and different?
TRANSCRIPT
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BiomesEQ: How are the Earth’s terrestrial biomes alike and different?
www.youtube.com/watch?v=mZm7InA_qWk
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Biomes
A biome is a large area characterized by its abiotic and biotic factors
Abiotic: climate
Biotic: plants and animals.
A biome contains related ecosystems
Biomes are classified as either terrestrial (land) or aquatic (water)
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Abiotic Factors
A biome is characterized by its climate, plants and animals
Climate is the long-term weather patterns for an area determined by its temperature and precipitation.
In biomes where the climate is characterized by high temperatures and high levels of rainfall, you will find abundant life.
Example: Rainforest
In biomes where the climate is characterized by either low temperatures and/or low amounts of precipitation, life is more scarce.
In general, the closer to the equator the biome is, the more life will exist
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The Earth’s Terrestrial (Land) Biomes
There are seven major terrestrial (land)biomes:
Tundra
Coniferous Forest/Taiga
Desert
Grassland/Prairie
Grassland/ Savanna
Deciduous Forest
Rainforest
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Tundra
Alaska, Northern Canada
Long cold winters
Cool summers.
“Frozen desert”
Little plant and animal life.
Permafrost
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Desert
SW United States, Mexico, Africa, Australia, Middle East
Little rainfall
Extreme temp differences
Succulents
Nocturnal animals
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Prairie/Grasslands
Midwest US,
Moderate precipitation
Wide range of temperatures
Windy
Flat terrain
Covered in grass
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Savannas
Africa, India, S. America
Wet/Dry seasons
Wide range of temperatures
Deep rooted grasses
Hooved animals
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Coniferous Forest/Taiga
Canada, N.Europe, Asia
Long, cold winters
Moderate summers
Precipitation is mostly snow
Conifers
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Temperate/Deciduous Forest
Eastern US, W. Europe, E. Asia
Our biome!
Four seasons
Moderate temperatures
Moderate rain
Trees lose leaves
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Tropical Rainforest
Equatorial regions
70-200 inches of rain
High temps
Layers of vegetation
Most species!
http://www.youtube.com/watch?v=m4bNrIIe0bk&safety_mode=true&persist_safety_mode=1
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Aquatic Biomes
Water covers ¾ of the Earth, and is home to both the largest and the smallest organisms.
There are two types of aquatic biomes:
Marine (Ocean)
Freshwater (lakes, rivers, streams, etc)
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Aquatic Biomes
Cover ¾ of the Earth
Smallest organisms
Largest organisms
Marine (Ocean)
Freshwater