Animal Structures

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Across
  1. 3. an animal that feeds on plants
  2. 6. name for nerve cells
  3. 7. an organism that cannot move from place to place
  4. 9. vessels that carries blood away from heart
  5. 12. chemicals used by some animals for communication
  6. 15. maximum number of chambers in a vertebrate heart
  7. 16. jellyfish have a ________ net
  8. 17. a behavior you are born with
Down
  1. 1. animals caught and eaten by other animals
  2. 2. a form of communication used by fireflies
  3. 4. elimination of waste from the body
  4. 5. body system that transports nutrients and gases
  5. 8. tough bands of tissue found on endoskeletons
  6. 10. digestion process that involves grinding food
  7. 11. movement from one place to another
  8. 13. vessels that connect veins and arteries
  9. 14. digestive system with two openings