Annelids Crossword Puzzle

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Across
  1. 1. Motor ________ are carried from the brain to each of the segments
  2. 4. Internal wall between segments
  3. 5. Ring-like structures along the organism's body
  4. 7. ___________ have some shared characteristics with Annelids
  5. 8. Class that lacks both setae and parapodia
  6. 9. Used for gas exchange and movement
  7. 10. Collecting place for waste-laden body fluids
  8. 11. The system that allows the annelids to breathe
  9. 12. Some _____ are extensions of parapodia
Down
  1. 1. Bristles that help with gripping
  2. 2. Leeches have muscular _____________ at both ends of the body
  3. 3. Five muscular blood vessels serve as __________
  4. 6. Microscopic larvae with bands of cilia
  5. 10. __________ ganglia are nerve clusters that form a primitive brain