world biomes - weeblymrsborgie.weebly.com/.../worldbiomes_ppnotes.pdf · world biomes presented by:...
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World BiomesWorld BiomesPresented By: Ms. ShortPresented By: Ms. Short
For 7For 7thth grade Life Sciencegrade Life Science
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What is a Biome?What is a Biome?
�� Large geograpic areaLarge geograpic area
�� Contains similar climate conditionsContains similar climate conditions
�� Contains similar plant, animal, soil Contains similar plant, animal, soil
and soil organismsand soil organisms
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Biomes are NOT ecosystemsBiomes are NOT ecosystems……..
�� An ecosystem is how living things An ecosystem is how living things
interact with each other and interact interact with each other and interact
with their environment.with their environment.
�� Ecosystems are much smaller than Ecosystems are much smaller than
biomes.biomes.
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What are the different Biomes?What are the different Biomes?
�� TundraTundra
�� Coniferous Forest (Taiga)Coniferous Forest (Taiga)
�� Deciduous ForestDeciduous Forest
�� GrasslandGrassland
�� SavannahSavannah
�� DesertDesert
�� Tropical Rainforest Tropical Rainforest
�� MarineMarine
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TundraTundra
�� Covers about 1/5 of the EarthCovers about 1/5 of the Earth’’s land s land
surfacesurface
�� Located mostly in the Northern Located mostly in the Northern
HemisphereHemisphere
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TundraTundra
�� Coldest and driest biome on EarthColdest and driest biome on Earth
�� Very little vegetation Very little vegetation
�� Animals native to the tundra: polar Animals native to the tundra: polar
bear, musk ox, caribou, artic foxbear, musk ox, caribou, artic fox
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Coniferous Forest (Taiga)Coniferous Forest (Taiga)
�� Located in the northern parts of Located in the northern parts of Alaska, Canada, Asia, and EuropeAlaska, Canada, Asia, and Europe
�� The tundra is located above it and The tundra is located above it and the deciduous forest in the parts the deciduous forest in the parts below it. below it.
�� Contains bogs and marshesContains bogs and marshes
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Coniferous Forest (Taiga)Coniferous Forest (Taiga)
�� Few species of vegetation. Contains Few species of vegetation. Contains
mostly conifers.mostly conifers.
�� Native animals include: wolves, deer, Native animals include: wolves, deer,
bears, lynx, cougars, moose, etc.bears, lynx, cougars, moose, etc.
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Deciduous ForestDeciduous Forest
�� Located primarily in the eastern part Located primarily in the eastern part of the United States, Canada, of the United States, Canada, Europe, parts of Russia, China, and Europe, parts of Russia, China, and JapanJapan
�� Have a moderate climate and all four Have a moderate climate and all four seasons. seasons.
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Deciduous ForestDeciduous Forest
�� The leaves fall off the trees in the The leaves fall off the trees in the winter. winter.
�� Contains shrubs, vines, wildflowers, Contains shrubs, vines, wildflowers, ferns and mossesferns and mosses
�� Animals include:black bear, squirrels, Animals include:black bear, squirrels, raccoons, blue jays, finches, etc.raccoons, blue jays, finches, etc.
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Deciduous ForestDeciduous Forest
�� Brown Bear hunting in deciduous Brown Bear hunting in deciduous
forest:forest:
http://www.youtube.com/watch?v=Qzhttp://www.youtube.com/watch?v=Qz
Z4systdZcZ4systdZc
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GrasslandGrassland
�� Transition land between forest and Transition land between forest and
desert biomes.desert biomes.
�� Wide range of temperatures (Wide range of temperatures (--40 to 40 to
7070°°F). F).
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GrasslandGrassland
�� Plants include wild flowers and mixed Plants include wild flowers and mixed
grasses.grasses.
�� Contains a variety of animals: Bison, Contains a variety of animals: Bison,
coyotes, jack rabbits, pronghorn, coyotes, jack rabbits, pronghorn,
ferrets, etc. ferrets, etc.
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SavannahSavannah
�� Located in the Southern Hemisphere Located in the Southern Hemisphere
�� Covers over half the surface of AfricaCovers over half the surface of Africa
�� Found in warm or hot climatesFound in warm or hot climates
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SavannahSavannah
�� Contains grassland with a few Contains grassland with a few
scattered trees.scattered trees.
�� Animals include: giraffes, zebras, Animals include: giraffes, zebras,
cheetahs, elephants, etc. cheetahs, elephants, etc.
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DesertDesert
�� A piece of land, no matter hot or A piece of land, no matter hot or
cold, that has small amounts of cold, that has small amounts of
precipitation.precipitation.
�� Usually located in areas near the Usually located in areas near the
equator.equator.
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DesertsDeserts
�� Four kinds of Four kinds of
deserts:deserts:
•• Hot, dry desertsHot, dry deserts
•• Cold deserts Cold deserts
•• Semiarid desertsSemiarid deserts
•• Coastal desertsCoastal deserts
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Desert Desert
�� Most people associate the desert Most people associate the desert
with being hot.with being hot.
�� Hot DesertHot Desert Plants: cacti, shrubs, Plants: cacti, shrubs,
ocotillo ocotillo
�� Hot DesertHot Desert Animals: hawks, falcons, Animals: hawks, falcons,
snakes, lizards, coyotes, scorpionssnakes, lizards, coyotes, scorpions
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Tropical RainforestTropical Rainforest
�� Almost all are near the equatorAlmost all are near the equator
�� Has yearHas year--round warmth and plenty round warmth and plenty
of rainfall.of rainfall.
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Tropical RainforestTropical Rainforest
�� Contains more species of plants and Contains more species of plants and
animals than any other area in the animals than any other area in the
world.world.
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MarineMarine
�� Covers Covers ¾¾ of the Earthof the Earth’’s surfaces surface
�� Ocean is warmer at the equator and Ocean is warmer at the equator and
colder at the polescolder at the poles
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MarineMarine
�� Contains many organisms including Contains many organisms including
green algae, brown algae and red green algae, brown algae and red
algaealgae
�� Native animals: whales, fish, Native animals: whales, fish,
crustaceans, coral, spongescrustaceans, coral, sponges…….to .to
name a fewname a few
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MarineMarine
�� Blue Whale in marine biome:Blue Whale in marine biome:
http://www.youtube.com/watch?v=xKhttp://www.youtube.com/watch?v=xK
g9BXyL1Fsg9BXyL1Fs
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SOLsSOLs
�� LS.10LS.10 The student will investigate and The student will investigate and
understand how organisms adapt to biotic and understand how organisms adapt to biotic and
abiotic factors in an ecosystem. Key concepts abiotic factors in an ecosystem. Key concepts
include:include:
•• a) differences between ecosystems and biomesa) differences between ecosystems and biomes
•• b) characteristics of land and marine ecosystemsb) characteristics of land and marine ecosystems
•• c) adaptations that enable organisms to survive within a c) adaptations that enable organisms to survive within a
specific ecosystem*specific ecosystem*
*(adaptations will be discussed during powerpoint presentation)*(adaptations will be discussed during powerpoint presentation)
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