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Further Investigations: Phylum Chordata

  1. Several different groups of invertebrates have adopted gelatinous (jelly-like) body forms to adapt to live in the open pelagic environment, far away from shore or the sea floor below. Prepare a list of gelatinous zooplankton groups and compare their features. What do they eat? How do they move? How are they related evolutionarily?
  2. Within the subphylum Urochordata is a group called the appendicularians (or larvaceans; class Appendicularia). This relatively obscure group of organisms plays an important role in the global carbon cycle and other biogeochemical processes in the ocean. Use library and Internet resources to research the natural history of these unique invertebrate chordates. What do they eat? How do they capture food?

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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.