A System of Unknown Function in Echinoderms,consisting of Tissue Strands

Q19: The five pairs of bursae in brittle

Q20: During metamorphosis of sea stars,the left side

Q21: Water for suspension feeding in the hemichordates

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

Q25: Of the echinoderms,regeneration and autotomy are most

Q26: The Chaetognatha appear to be morphologically similar

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.

Q65: The respiratory tree of sea cucumbers opens