biomes of the world a journey across the earth in 30 minutes…
TRANSCRIPT
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Biomes of the Biomes of the WorldWorld
A journey across the A journey across the Earth in 30 minutes…Earth in 30 minutes…
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What in the world is a What in the world is a biome?!biome?!
•Scientists have developed the term Biome to
describe areas on the earth with similar climate,
plants, and animals.
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How is a biome different than How is a biome different than an ecosystem or a habitat?an ecosystem or a habitat?
• Ecosystem: a system formed by the interaction of a community of organisms with their physical environment.
• Habitat: the area or environment where an organism or ecological community normally lives or occurs
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What biomes are on What biomes are on Earth?Earth?• Scientists can’t agree on exactly how
many biomes Earth has!! One scientist pictures the biomes like this:
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The North The North WesternWestern HemisphereHemisphere• Let’s take a closer look at where we live…
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Another way to look at Another way to look at it…it…
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Let’s take a closer Let’s take a closer look at some specific look at some specific
biomes…biomes…
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Aquatic Biomes:Aquatic Biomes:
• Water: Submerged• Temperature: Varies• Soil: None• Plants: Aquatic Plants (seaweed)• Animals: Fish, Shelled fish,
invertebrates (animals with out backbones), select mammals.
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Aquatic BiomeAquatic Biome
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RainforestRainforest
• Water: Very wet• Temperature: Very warm• Soil: Poor, thin soil• Plants: Many plants (trees, flowers,
shrubs, etc.)• Animals: Many animals (birds,
mammals, reptiles, insects, etc.)
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RainforestsRainforests
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TundraTundra
• Water: Dry• Temperature: Cold• Soil: Permafrost (frozen soil)• Plants: Lichens and mosses • Animals: Migrating animals, and
small rodents
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TundraTundra
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TaigaTaiga
• Water: Adequate • Temperature: Cool (year round)• Soil: Poor, rocky soil• Plants: Conifers (pines)• Animals: Many mammals, birds,
insects, arachnids, etc.
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TaigaTaiga
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GrasslandGrassland
• Water: Wet season, dry season• Temperature: Warm to hot (but
often has a cold season)• Soil: Fertile soil• Plants: Grasses (few or no trees)• Animals: Many mammals, birds,
insects, arachnids, etc.
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GrasslandGrassland
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Temperate ForestTemperate Forest
• Water: Adequate • Temperature: Cool season and
warm season• Soil: Fertile soil• Plants: Deciduous trees, shrubs,
ground cover• Animals: Many mammals, birds,
reptiles, insects, arachnids, etc.
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Temperate ForestTemperate Forest
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DesertDesert
• Water: Dry (almost none)• Temperature: Hot or Cold (one or
the other)• Soil: Poor (sandy)• Plants: Sparse - succulents (like
cactus), sage brush • Animals: Sparse - insects, arachnids,
reptiles and birds (often nocturnal)
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DesertDesert
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SummarySummary
• What is a biome?
• Name some of the world’s biomes…
• What might location in the world (latitude and longitude) have to do with a biome?