Crossword Puzzle Exercise
Content © 2006 Tami Maloney; Author of Activity: Tami Maloney; All rights reserved. No commercial, for-profit use of this material is allowed. E-mail comments and questions to Tami Maloney.

Complete the crossword, then click on "Check" to check your answer. Click on a number in the grid to see the clue or clues for that number.
3     4                  
          5       6      
7            8           
              11      12   


2. having left and right halves that mirror each other
4. animal without a backbone
7. remaining attached in one place during lifetime
8. bell-shaped body plan of cnidaria
9. animal that produces both sperm and eggs
10. replacing lost or damaged body parts
11. cnidarian body plan shaped like a vase
13. animal with a backbone
14. armlike structures surrounding the mouth of cnidarians
15. plant eater


1. body parts arranged in a circle
3. opening at the end of digestive tract
5. organism that eats both plants and animals
6. eats only other animals
12. organism that depends on a host for survival