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This item is included in the following series/curriculum: Animals Like Us  

  • Grade Level: Junior High (7-9)-Senior High (10-12)
  • Subjects: Life Science
  • Produced By: Village Distribution
  • Year: 2004
  • Country: France
  • Language: English
  • Running Time: 52m
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"Give me this, I will give you that". This universal definition of trade finds an equivalent in nature in a phenomenon call mutualism. Shaped by evolution, it describes all long or short term exchanges and cooperation between animals to survive. It turns the traditional host-parasite relationship in a beneficial alliance for both partners. To describe mutualism, this fascinating and well-documented episode travels from the cold ocean dephts to the heat of summer corn fields where unexpected couples have formed : manta rays and remoras, sea cucumbers and shrimps or else butterflies and ants got married for better or for worst.

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