Marine Inverts terms

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Across
  1. 5. known for having a retractable lophophore, these colonial feeding animals can be confused with algae (singular)
  2. 6. Class; brittle stars, serpent stars, basket stars
  3. 10. made famous by the Bobbit worm Eunice, these raptorial worms have large jaws
  4. 11. fire worms (have many sharp chaetae that cause burning skin irritation)
  5. 12. Hydrozoans include this kind of colonial animal which includes Portuguese man o’ war and velella velella (by the wind sailors)
  6. 14. squids, cuttlefish, octopus, and nautilus are all this kind of animal, a kind of mollusk
  7. 15. Water bears are in this phyla, and are some of the most extreme animals—have even visited outer space!
  8. 16. a kind of animal that can be in the class
  9. 20. Phyla name of sponges, where demosponges have the greatest diversity
  10. 22. phoronida, also known as _______________ worms, also have a beautiful lophophore for feeding
  11. 23. Class; true sea stars
  12. 25. the bivalve that we dissected in class, part of the phyla Molllusca
Down
  1. 1. Some of the most numerous animals and have significance as parasites aka roundworm (singl.)
  2. 2. corals and sea anemones are part of this class of Cnidaria
  3. 3. Phyla that is characterized by jointed appendages and an exoskeleton
  4. 4. known for its grasping spines, this is a pelagic animal that is an ambush predator (singl.)
  5. 5. you can tell the difference between a bivalve and this by its lophophore and the way it is hinged (dorso-ventral flattening), and the pedicle (singular)
  6. 7. includes feather duster worms and Christmas tree worms
  7. 8. Class; urchins, sand dollars
  8. 9. Class; sea cucumbers
  9. 13. common name for animals of Platyhelminthes (singular)
  10. 17. comb jellies are in this phylum, and known for their rows of ctenes
  11. 18. phylum characterized by nematocysts
  12. 19. known for their ciliated corona for feeding, strong jaws and toes, we observed these tiny animals in class (plural)
  13. 21. Nemerteans are known as _______ worms and pretty on polychaetes with their proboscis and stylet
  14. 24. spider a kind of pycnogonid in which males carry the eggs! Use a proboscis for feeding.
  15. 25. _____ jelly, Aurelia aurita, is a live scyphozoan that we sketched.