5th grade-ch. 5 lesson 5 how does energy move in ecosystems
TRANSCRIPT
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Lesson 5How does energy
move in ecosystems?
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producers
• Organisms that make their own food for energy
• Ex: plants, protists
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consumers• Organisms that cannot make
their own food• Eat other organisms
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All animals are consumers.
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Producers and Consumers video clip
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herbivore• consumer that eats only plants
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carnivore• consumer that eats only animals
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omnivore• consumer that eats both plants
& animals
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Herbivores, Carnivores, and Omnivores
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decomposer• eat waste or dead organisms
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Decomposers video clip
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Energy moves to all organisms through food chains or food webs.
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food chain• Always begins w/ sunlight• Transfers energy in 1 direction
by eating & being eaten
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phytoplankton
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food web• combines many food chains
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Click the following button to complete an activity which
demonstrates how a food web works.
http://www.harcourtschool.com/activity/food/food_menu.html
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energy energy pyramidpyramid
• diagram that diagram that shows shows amounts of amounts of energy that energy that flow thru. flow thru. each level of a each level of a food chainfood chain
• most energy most energy turns into turns into body heat body heat
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http://www.harcourtschool.com/activity/science_up_close/314/deploy/interface.html
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Pyramids of Energy and Numbers video
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