Cnidarians — Crossword Puzzle

12345678910111213
Across
  1. 2. Environments where cnidarians are found
  2. 5. Simple nervous system that allows response to stimuli from all directions
  3. 8. Structure that distributes nutrients throughout the body
  4. 9. Process by which oxygen and carbon dioxide move across the body surface
  5. 10. Structure cnidarians do not have for centralized control
  6. 12. System cnidarians lack for transporting oxygen and nutrients
  7. 13. Cnidarians are not protostomes or deuterostomes because they have ___ _______.
Down
  1. 1. Specialized cells used to capture prey and defend the animal
  2. 3. Body cavity between organs that cnidarians lack
  3. 4. A cnidarian that swims by contracting its body
  4. 6. Description of corals and sea anemones that don't move much
  5. 7. Body arrangement where parts radiate outwards from a central point
  6. 11. Term describing animals that develop two main tissue layers