Biomes Biomes are a group of ecosystems with similar climates (temperature and rainfall) and...
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Transcript of Biomes Biomes are a group of ecosystems with similar climates (temperature and rainfall) and...
![Page 1: Biomes Biomes are a group of ecosystems with similar climates (temperature and rainfall) and organisms. .](https://reader036.fdocuments.us/reader036/viewer/2022081504/56649e3f5503460f94b2f581/html5/thumbnails/1.jpg)
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BiomesBiomes
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Biomes are a group of ecosystems with similar climates (temperature and rainfall) and organisms. www.brainpop.com
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Types of BiomesTypes of Biomes• Rain Forest
• Desert
• Grassland
• Deciduous Forest
• Coniferous Forest
• Tundra
• Freshwater
• Saltwater (Marine)
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Deciduous Forest BiomeDeciduous Forest Biome• Large Trees – Shed leaves each winter • At least 50 cm of rain each year• The weather in this area changes with
the seasons
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Deciduous Forest BiomeDeciduous Forest Biome• Virginia is located in this biome.
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Coniferous Forest BiomeConiferous Forest Biome• Also called Boreal Forest or Taiga
• Largest Biome in World
• Most abundant plant life is coniferous trees – cone bearing
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Coniferous Forest BiomeConiferous Forest Biome• The weather here is colder.
Winters have much more snow. Summers don’t get quite as warm.
• Total snowfall can reach more than 20 feet per year!!!
• Video : http://www.thewildclassroom.com/biomes/taiga.html
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Rain Forest BiomeRain Forest Biome• 2 types:
– Tropical Rain Forest - found near the equator – Temperate Rain Forest – found NW USA
• Both have many species of plants & animals
57%25%
18%
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Tropical Rain Forest Tropical Rain Forest BiomeBiome
• Lots of rain!!!! Wettest place on earth. It rains every day. 100 – 400 inches per year (That’s 9-30 feet)
• Very warm & humid all year long – average temp. is 80OF
• Trees form distinct layers –– Canopy – top layer of trees– Understory – 2nd layer of trees
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Tropical Rain Forest Tropical Rain Forest BiomeBiome
• LOTS of plant & animals
• Most diverse place on earth!!!
• Video: http://www.thewildclassroom.com/biomes/rainforest.html
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Grassland BiomesGrassland Biomes• Also Called Prairies & Savannahs• 25 – 75 cm of rain a year• Enough to rain to support grasses and
bushes, but not enough to support trees.
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Grassland BiomesGrassland Biomes• Savannahs closer to equator & receive more
rain up to 120 cm.• Have scattered shrubs & small trees • Grasslands support the largest animals on
Earth• Video• http://www.thewildclassroom.com/biomes/grasslands.html• http://www.thewildclassroom.com/biomes/tropicalsavanna.ht
ml
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Desert BiomesDesert Biomes• A desert is an area that receives less than 25cm
(10 inches) of rain per year. (Some don’t get any)
• Most deserts get very hot during the day and get very cold at night.
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Desert BiomesDesert Biomes• Animals & plants have adapted to preserve
water
• Most animals are nocturnal
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Tundra BiomeTundra Biome• The land here is very cold and dry.
• Very little precipitation
• Land is frozen all year (permafrost)
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Tundra BiomeTundra Biome• Short summer – top layer of soil defrosts
• Mosses, grasses, shrubs & dwarf bushes
• Insects, birds, reindeer, foxes, wolves, hares
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Freshwater BiomesFreshwater Biomes• Not Saltwater!!!• Account for 1/5 of Earth• 2 Groups
– Ponds & Lakes– Rivers & Streams
• Sunlight only reaches top of water• Algae is the most abundant plant in
the water biomes because photosynthesis can only occur at top layers of water
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Ponds and LakesPonds and Lakes• Still water• Lakes are deeper than ponds.• Sometimes ponds are shallow
enough for sunlight to reach the bottom which lets plants grow.
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Streams and RiversStreams and Rivers• The water runs
fast in these areas.
• Plants and animals must be able to survive in the fast running water
• Video : http://www.thewildclassroom.com/biomes/stream.html
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Marine BiomesMarine Biomes• Salt or Brackish Water
• Oceans & Estuaries
• Plants & animals must have adaptations to survive in salt water
• Video : http://www.thewildclassroom.com/biomes/coastal.html
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EstuariesEstuaries• This is where the water from the
rivers and streams runs into the ocean, making a mixture of salt and fresh water.
• Lots of sun – lots of plants