ecosystem dynamics
Post on 21-Jun-2015
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Ecosystems consist of heterotrophs and autotrophs.
The organisms can be put into energy pyramids with each level called a trophic level.
Tertiary consumerSecondary consumerPrimary consumerProducer
SPHAGNUM MOSS - PRODUCER
Photo by Credit: Ted Niehaus /life.nbii.govhttp://life.nbii.gov/dml/mediadetail.do?id=4991&pt=l2&l2PageId=50157&sDir=ta&navbar=page1_view1_title_asc_15Public Domain
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Producers-Duckweed in Cypress Swamp
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Mussels eatmicroscopic plants
Primary Consumers eat producers
Primary consumers eat producers
Elephants eat approximately 150 pounds of vegetation daily.
Credit: © 2007 Lauren Humphries, Courtesy of life.nbii.gov
Used with permission with credit
Secondary consumers eat primary consumers
Credit: © 2010 Bruce Avera Hunter, Courtesy of life.nbii.govPermission to use with credit
Praying mantis eats honey bee
Tertiary Consumer
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Tertiary Consumers Eat Secondary Consumers
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Egrets eat frogs and snakes and other small predators
Lichens-2 organisms
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Trophic Levels
Tertiary Consumers
Secondary Consumers
Primary Consumers
Producers
Tertiary Consumers
Secondary Consumers
Primary Consumers
Producers
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