Across
- 3. PHYLUM SHOWING BIOLUMINESCENCE
- 6. RASPING ORGAN OF MOLLUSCS
- 7. COVER OF GILLS
- 8. PECULIAR CHARACTER OF COELENTERATA
- 9. ONLY PHYLUM WITH CELLUAR LEVEL ORGANISATION
- 10. UNDIFFERENTIATED LAYER BETWEEN ENDODERM AND ECTODERM
Down
- 1. REPTILE WITH 4 CHAMBERED HEART
- 2. LIVING FOSSIL
- 4. ANIMALS THAT DO NOT HAVE BODY CAVITY
- 5. OVIPAROUS MAMMAL