The Chaetognatha Appear to Be Morphologically Similar to Deuterostomes,but in Fact

Q21: Water for suspension feeding in the hemichordates

Q23: Echinoderms<br>A)are clearly related to cnidarians because of

Q24: A system of unknown function in echinoderms,consisting

Q25: Of the echinoderms,regeneration and autotomy are most

Q27: Characteristics of the hemichordates that are shared

Q28: The ophiuroids have no<br>A)pedicellariae.<br>B)papulae.<br>C)anus.<br>D)all of these

Q29: Brittle stars move rapidly for echinoderms.

Q31: One of the principal functions of the

Q52: Minute,pincer-like _ are found on the surfaces

Q65: The respiratory tree of sea cucumbers opens