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28.2 Describe the germ layer and symmetry of cnidarians. What is the defining characteristic of cnidarians? Compare the...

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Biology

28.2

  1. Describe the germ layer and symmetry of cnidarians.

  1. What is the defining characteristic of cnidarians?

  1. Compare the two distinct body plans of cnidarians in terms oftheir structure, motility, and mode of reproduction.
  1. Describe the gastrovascular cavity of cnidarians. Do they havea circulatory system? Explain.
  1. Briefly describe the four classes of cnidarians.
  1. Describe the life cycle of a typical Scyphozoan.

Answer & Explanation Solved by verified expert
3.9 Ratings (499 Votes)
2821 Cnidarians are radially symmetricThis shows they are the same on all sidesIt also means that they have two germ layerscalled the endoderm and ectodermThese germ layers form during gastrulationwhich is the development of the young embryo2 Cnidarians are radially symmetricaljellylike and have    See Answer
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