Across
- 4. Only marine members
- 6. Air sacs and Pneumatic bones are seen in.
- 9. The unique characteristics of Mammal.
- 11. cartilaginous fishes are.
- 12. Do not have a body cavity.
- 13. anteater Egg laying mammal.
- 15. The animal without skull
Down
- 1. Have a true coelom.
- 2. Mesoglea present in
- 3. jawless vertebrates.
- 5. The animal having four chambered heart.
- 7. The larvae of an amphibian is.
- 8. cells Excretory organ of tape worm is.
- 10. The largest phylum of the animal kingdom.
- 11. fish Locomotion occurs by tube feet.
- 14. The Skeletal framework of porifera.