biomes mrs. calvo’s 7 th grade science objectives
TRANSCRIPT
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Biomes
Mrs. Calvo’s 7th Grade Science
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Objectives
1. To introduce biomes of the ecosystem.
2. To summarize the characteristics of biomes.
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Biomes of the World
The Major Biomes of Earth
http://ks3geoblogbytes.wordpress.com/year-9/
• Forest
• Desert
• Tundra
• Marine
• Grassland
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Forest
• Trees• Deforestation• Boreal:
Evergreens• Deciduous:
Maple, oak, hickory, elm
• Rainhttp://www.pics4learning.com/details.php?img=picture3.png
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Desert
• Antarctica• 10 inches of
precipitation• Sandy, rocky,
and porous soil.
• Evaporation• Few plants and
animalshttp://www.ucmp.berkeley.edu/exhibits/biomes/deserts.php
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Tundra
• North Pole• Permafrost• Short trees
and shrubs• White coats
http://www.ucmp.berkeley.edu/exhibits/biomes/tundra.php
Permafrost
Grass and moss for grazing
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Marine Environment
Water71%
Land29%
Water on Earth’s Surface
http://www.pics4learning.com/details.php?img=57650024_2.jpg
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Grassland
• Few trees• Windy• Grazing• Fire
http://www.pics4learning.com/details.php?img=antelopeislandhillsprairie.jpg
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Forest Three types of forest: Boreal, deciduous, and Rain
Desert Cold or HotAverage Rainfall < 10 inches
Tundra Little sunlight, short plants, cold temperatures.
Marine Environments Water covers most of the world. Most varied life.
Grasslands Windy, grass, perfect for grazing animals.
Summary
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Reference
Pitt, D, & Sampson, PR. (1999). The biosphere and noonsphere reader: global environment, society and change . London: Routledge.
University of California Museum of Paleontology. (2007). The world’s biomes. http://www.ucmp.berkeley.edu/exhibits/biomes/index.php