Whats the Vital Commodity - PowerPoint PPT Presentation

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Whats the Vital Commodity

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Eats Heron. Eaten by nothing. Heron. Eats Mullet and Shrimp. Eaten by Crocodile. Shrimp ... Eaten by Heron. Plankton. Eats nothing. Eaten by Mullet and Shrimp ... – PowerPoint PPT presentation

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Title: Whats the Vital Commodity


1
Whats the Vital Commodity!?
2
General Idea
  • You assume the role of an organism in a marsh
    ecosystem
  • You interact with other organisms based on
    feeding relationships (i.e. the food web)
  • Depending on who eats whom, you gain or lose the
    vital commodity

3
RULE SUMMARY
  • You eat the organism you encounter
  • Take five beans from them
  • Put 2 of the 5 in the LOSSES box
  • You are eaten
  • Give your predator 5 beans
  • You are plankton
  • Remove 10 beans after each encounter from the
    SUPPLY box
  • Then put 1 bean in the LOSSES box
  • You cant eat them and they cant eat you
  • Both put 1 bean in the LOSSES box
  • You lose all your beans
  • Youre out!!

4
What eats what?
  • Crocodile
  • Eats Heron
  • Eaten by nothing
  • Heron
  • Eats Mullet and Shrimp
  • Eaten by Crocodile
  • Shrimp
  • Eats Plankton
  • Eaten by Heron
  • Mullet
  • Eats Plankton and Shrimp
  • Eaten by Heron
  • Plankton
  • Eats nothing
  • Eaten by Mullet and Shrimp

5
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