Fish & Echinoderms and Invertebrate Chordate

1234567891011
Across
  1. 4. Class of sea cucumbers.
  2. 7. Feed on dead fish on the sea floor.
  3. 9. The symmetry of all echinoderms as adults.
  4. 10. Echinoderms can ______ lost body parts.
  5. 11. How most echinoderms reproduce.
Down
  1. 1. _____ occurs by diffusion through thin body membranes.
  2. 2. Sensory can respond to this.
  3. 3. Class Asteroidea
  4. 5. Flexible, rodlike structure that extends the length of the body,
  5. 6. Parasites that feed by attaching themselves to other fish.
  6. 8. Fishes can be found here.