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Home Q & A Board Biology-Related Homework Help General Biology
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Ebridges85 Ebridges85
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6 years ago
The water-vascular system is unique to
  a. cnidarians.
  b. bivalves.
  c. echinoderms.
  d. annelids.
  e. arthropods.

Question 2

Which of the following groups contains organisms
  that produce free-living larvae?
  a. cnidarians
  b. echinoderms
  c. arthropods
  d. cnidarians and echinoderms
  e. cnidarians, echinoderms, and arthropods
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oliverb1oliverb1
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6 years ago
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Ebridges85 Author
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#2
6 years ago
All correct
wrote...
#3
6 years ago
Happy to help
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