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Red Crabs & Crazy Ants. Mr. Vink SNC1D1 Grade 9 Science. Turn to page 26!. Christmas Island. a small territory of Australia located in the Indian Ocean. They mate and release their eggs into the ocean. Christmas Island’s Rainforest Ecosystem. Crabs diet: Fallen leaves Fruits Flowers

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Red crabs crazy ants

Red Crabs & Crazy Ants

Mr. Vink

SNC1D1 Grade 9 Science



Christmas island
Christmas Island

a small territory of Australia located in the Indian Ocean.



Christmas island s rainforest ecosystem
Christmas Island’s Rainforest Ecosystem

Crabs diet:

  • Fallen leaves

  • Fruits

  • Flowers

  • Seedlings

    Help maintain structure of the rainforest ecosystem

    Regulate nutrient cycles




Watch:

Red Crabs and Crazy Ants Video Clip


An accidental invasion of yellow crazy ants anoplolepis gracilipes
An accidental invasion of Yellow Crazy Ants(Anoplolepisgracilipes)


Crazy ants
Crazy Ants

  • Attack: Spray with formic acid

  • And then…devour


Thoughts
Thoughts?

  • What would happen to Christmas Island if the red crabs disappear?

  • Are the crabs worth saving?

  • What should be done about the ants?


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