KEY CONCEPT Biomes are land-based, global …...15.3 Biomes • Tropical rain forest biomes produce...
Transcript of KEY CONCEPT Biomes are land-based, global …...15.3 Biomes • Tropical rain forest biomes produce...
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15.3 Biomes
KEY CONCEPT
Biomes are land-based, global communities of
organisms.
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15.3 Biomes
Earth has six major biomes.
• A biome is a major community of organisms.
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15.3 Biomes
• Tropical rain forest
biomes produce lush
forests.
– warm temperature
– abundant
precipitation all year
Source: World Meteorological Organization
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15.3 Biomes
• Grassland biomes are where the primary plant life is
grass.
Rapid City, South Dakota
Source: National Oceanic Atmospheric Administration
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15.3 Biomes
– Temperate grasslands are dry and warm during the
summer; most precipitation falls as snow.
• Grassland biomes are where the primary plant life is
grass.
– Tropical grasslands are warm through the year, with
definite dry and rainy seasons.
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15.3 Biomes
• Desert biomes are
characterized by a very arid
climate.
– very low amount of
precipitation
– four types: hot, semi-
arid, coastal, and cold
Tucson, Arizona
Source: National Oceanic Atmospheric Administration
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15.3 Biomes
• Temperate forest biomes include deciduous forests and
rain forests.
– Temperate deciduous forests have hot summers and
cold winters.
– Deciduous trees are the dominant plant species.
Source: National Oceanic Atmospheric Administration
Burlington, Vermont
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15.3 Biomes
– Deciduous trees are the dominant plant species.
– The temperate rain forests have a long wet season and
relatively dry summer.
• Temperate forest biomes include deciduous forests and
rain forests.
– Temperate deciduous forests have hot summers and
cold winters.
– Ferns and moss
cover the forest floor.
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15.3 Biomes
• The taiga biome is located
in cooler northern climates.
– boreal forest
– long winters and short
summers
– small amount of
precipitation Source: Environment Canada
Banff, Canada
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15.3 Biomes
• 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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15.3 Biomes
• Minor biomes, such as chaparral, occur globally on a
smaller scale.
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15.3 Biomes
Polar ice caps and mountains are not considered biomes.
• Polar ice caps have no soil, therefore no plant community.
• The climate and organisms found on mountains change as
the elevation changes.