Energy Flow through Ecosystems - PowerPoint PPT Presentation

Food webs model interactions within the community
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Food webs model interactions within the community. Energy Flow through Ecosystems. What roles do organisms play in a food web?. Producers Create their own food using sun’s energy Start energy flow Consumers Eat other organisms to get their energy Herbivores, Omnivores, Carnivores

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Energy Flow through Ecosystems

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Food webs model interactions within the community

Food webs model interactions within the community.

Energy Flow through Ecosystems


What roles do organisms play in a food web

What roles do organisms play in a food web?

  • Producers

    • Create their own food using sun’s energy

    • Start energy flow

  • Consumers

    • Eat other organisms to get their energy

    • Herbivores, Omnivores, Carnivores

  • Decomposers

    • Break down dead plants, animals, and waste and return nutrients to the ecosystem


What is a food chain

What is a food chain?

  • Show how living things get their energy

  • It is linear.

  • The arrow represents energy.


How is a food web organized

How is a food web organized?

  • Show how energy moves through a community

  • Made up of food chains

  • Producers are at the base and top consumers are at the top


Notes on drawing food webs

Notes on Drawing Food Webs

  • Arrow goes to the organism that does the eating because they get the energy.

  • Producersalways start ALL food chains/webs

  • Arrows are neat


Practice

Practice

  • http://www.sheppardsoftware.com/content/animals/kidscorner/games/foodchaingame.htm


Waikoloa community web

Waikoloa Community Web


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