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Further Investigations: Phylum Cnidaria

  1. Investigate the biological mechanism that allows for regeneration in cnidarians.
  2. The most venemous cnidarians in the world are known as Irukandji box jellyfish. The term is used to describe five species of cube-shaped box jellyfish, each roughly one cubic centimeter (cm3) in size. What evolutionary processes led to the potent venom of the Irukandji jellies? Why does this small jelly require such a powerful sting?
  3. How do oceanic currents affect the dispersal of marine cnidarians? Look at the dispersal of different cnidarian species and examine how currents have changed over time.

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Exploring Our Fluid Earth, a product of the Curriculum Research & Development Group (CRDG), College of Education. University of Hawaii, 2011. This document may be freely reproduced and distributed for non-profit educational purposes.