Ecosystems Uncovered!

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Ecosystems Uncovered!

• By Ms. Roybals Class
• June 26, 2007

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What is an ecosystem?

• A place where plants and animals live in the same
  environment
• A system made up of a community of animals, and
  plants
• Ecosystems are different all over the earth

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Ecosystem 1 Oceans

• Earths water is in an ocean
• Ocean water is salty
• More than 97 of the worlds water is ocean

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My Favorite Ocean Animal Walrus
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Ecosystem 2 Desert

• Facts
• A desert get very little water.
• The soil is dry.
• The Sonoran and the Mojave deserts are known as
  the hot deserts.

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My Favorite Desert Animal Prairie Dog
http//www.physics.arizona.edu/milsom/photo/arizo
na/wildlife/jpg/dm_prairie_dog_yucca.jpg
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Ecosystem 3 Artic

• The artic region has extreme cold temperatures
• The sun shines March through September
• The arctic is in the northern most point on the
  Earths surface.

http//www.photolib.noaa.gov/htmls/corp1098.htm
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My Favorite Artic Animal Artic Fox
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Rainforest

• Rainforests once covered 14 of the earth's land
  surface now they cover only 6
• More than 20 percent of the world oxygen is
  produced in the Amazon Rainforest.
• The Rainforest contains numerous plants, and
  trees. http//www.casarioblanco.com/rainforest-2.j
  pg

http//www.casarioblanco.com/rainforest-2.jpg
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My Favorite Rainforest Animal Jaguar
http//cache.eb.com/eb/image?id21777rendTypeId4
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How Humans Change ecosystems

• Deforestation
• Pollution
• Over fishing

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Which Ecosystem is our Favorite?