Across
- 1. ARE MULTICELLULAR AND ACTIVELY MOBILE ORGANISMS
- 3. ARE WORMS WITH ELONGATED BODIES DIVIDED INTO RINGLIKE SEGMENTS
- 5. HAVE BODIES COVERED WITH FEATHERS
- 7. ARE SOFT-BODIED ANIMALS
- 9. ARE FOUND MOSTLY IN MARINE ENVIRONMENTS
- 11. REFERS TO THE STAGES IN THE DEVELOPMENT OF AN INSECT
- 12. ARE THOSE THAT LACK THE VERTEBRAL COLUMN AS THE SUPPORTING STRUCTURES
- 15. IS THE UMBRELLALIKE FORM THAT IS FREE SWIMMING
- 18. IS THE LARGEST AND MOST COMPLEX CANAL SYSTEM
Down
- 1. IS CANAL SYSTEM THAT IS SHAPED LIKE A SIMPLE TUBE PERFORATED BY PORES
- 2. REPRESENTED BY A LAMPREY AN EEL-SHAPED JAWLESS FISH THAT IS CONSIDERED AS THE VAMPIRE OF THE OCEAN
- 3. ARE ANIMALS WITH JOINTED LEGS
- 4. ARE THE LARGEST GROUP OF ARTHROPODS
- 6. ARE CHIEFLY MARINE INVERTEBRATES
- 8. CANAL SYSTEM IS LARGER THAN ASCONOID
- 10. ARE THE ROUNDWORMS AND ARE MOSTLY ENDOPARASITIC
- 13. HAVE BODIES COVERED WITH DRY, CORNIFIED SCALES
- 14. ARE THE SIMPLEST ANIMALS
- 16. THAT SUPPORTS THE BODY
- 17. IS THE TUBULAR SESSILE FORM