Section 15-3, 15-4 and
15-5
“Biomes”
Write everything
that is underlined
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• Because we can’t take a trip
around the world, I’m trying
to give you a visual of all the
diverse places on Earth
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15.3 KEY CONCEPT :
Biomes are land-based, global
communities of organisms.
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Earth has six major biomes.
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• Tropical rain forest
biomes produce
lush forests.
– warm temperature
– abundant
precipitation all
year
Source: World Meteorological Organization
15.3 / 15.4 / 15.5 Biomes
Quick Trip To South America….
• http://www.youtube.com/watch?v=B1_FO5-2P1Y
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• Grassland biomes are where the
primary plant life is grass.
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Boom Dee Addah….
• http://www.youtube.com/watch?v=RmUK3tMsp6Y
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• Desert biomes are
characterized by a
very arid (dry)
climate.
Tucson, Arizona
Source: National Oceanic Atmospheric Administration
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Interested in purchasing some property?
• http://www.youtube.com/watch?v=FPnkvJ7qmVI
15.3 / 15.4 / 15.5 Biomes
• Temperate forest biomes include deciduous
forests and rain forests.
–Temperate deciduous forests have
hot summers and cold winters.
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Let’s Go to New England…
• http://www.youtube.com/watch?v=woYUntbc87A
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• The taiga biome is
located in cooler
northern climates.
– long winters and
short summers
– small amount of
precipitation
Banff, Canada
Source: Environment Canada
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Brrr…It’s cold in here!
• http://www.youtube.com/watch?v=_Vxh8MzvFBw
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• The tundra biome is found
in the far northern
latitudes with long
winters.
– winter lasts 10
months
– limited precipitation
– permafrost
Barrow, Alaska
Source: National Oceanic Atmospheric Administration
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Something’s frozen around here…
• http://www.youtube.com/watch?v=6LO1QSuHlsY
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15.3 KEY CONCEPT :
Marine ecosystems are global.
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Coastal waters contain unique habitats.
• Coral reefs are found in warm waters.
– tropical climate zone
– great amount of biomass
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Wow… does stuff really come in that color?
• http://www.youtube.com/watch?v=_syVb8jZu4Y
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• Kelp forests are
found in cold,
nutrient-rich
waters.
–large
communities
of seaweed
–great amount
of biomass
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15.5 KEY CONCEPT:
Freshwater ecosystems include
estuaries as well as flowing and
standing water.
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• An estuary is a partially
enclosed body of water.
–mixture of fresh water with
salt water
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Freshwater ecosystems
include moving and standing
water.
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• Wetlands are among the most
productive ecosystems.
–provide a home for many
species
–filter dirty water
–renew underground water
supply