Classification Crossword

3. Arrangement of parts; 1 axis of symmetry.
7. Ability to suspend their life processes completely when conditions become unfavorable; in these resistant states they can survive extreme condition.
9. Rotifera is primarily_____.
10. Another name for throat.
11. Bundle of flame cell.
12. Species have separated males and females.
14. Organism with both male and female reproductive organ.
19. A passive biological system that removes excess materials from an organism.
21. Only eat meat.
22. Scientific name for roundworms.

1. Scientific name for ribbon worms.
2. Common name for Platyhelminthes.
4. Three layer.
5. Scientific name for wheel animal.
6. Flame cell functions like______.
8. An organism that grows, feeds, and is sheltered on or in a different organism while contributing nothing to the survival of its host.
10. Ribbon worms use this part of body to hunt.
11. Develop from an unfertilized egg, asexually
13. Body cavity partially lined with tissue from mesoderm.
15. A fluid filled anterior cavity which normally houses the body part that is used by ribbon worms for hunting.
16. No internal body cavity (coelom).
17. Another name for jaws.
18. Split into two.
20. Another name for crown of cilia.