Across
- 4. dry scaly skin
- 7. connecting link between plants and animals
- 8. gastrovascular cavity is present
- 9. egg laying mammal
- 13. body is made up of repetitive units of rings
- 15. first successful terrestrial plants
Down
- 1. watervascular system
- 2. non flowering plants
- 3. cell wall made of peptidoglycan
- 5. reserve food is glycogen
- 6. presence of mammary glands
- 10. pollination occurs through insects
- 11. pouches mammal
- 12. contributed maximum oxygen level in atmosphere
- 14. pore bearing animals