Food Chain and Food Web - PowerPoint PPT Presentation

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Title:

Food Chain and Food Web

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A Food Web is a combination of 2 or more food chains. Food Web ... Scavenger kind of decomposer that feeds on dead animals. for example: vulture ... – PowerPoint PPT presentation

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Title: Food Chain and Food Web


1
Food Chain and Food Web
2
Food Chain
  • Transfer of food and energy.
  • Food Chain is one specific pathway of food
    transfer.
  • Grass Rabbit Snake
    Hawk

3
Food Web
  • A Food Web is a combination of 2 or more food
    chains.

4
Food Web
5
Members of a Food Chain and Food Web
  • Producer food makers
  • for example green plants
  • Consumer organisms that feed on other living
    things
  • 1st level only eat producers
  • - rabbit
  • 2nd level eat 1st level
    consumers
  • 3rd level eat 2nd level
    consumers

6
  • Predator animals that eat other animals
  • Prey animals that a predator eats
  • Herbivore consumer that eats only plants
  • for example deer
  • 1st level consumer
  • Carnivore consumer that eats only meat
  • for example mountain lion
  • 2nd level consumer or higher

7
  • Omnivore eats both kinds of food (plants and
    animals)
  • for example humans
  • 2nd level consumer or higher
  • Decomposer breaks down or decomposes waste and
    dead organisms
  • Scavenger kind of decomposer that feeds on dead
    animals
  • for example vulture
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