Across
- 3. air sacs that allow absorption of oxygen
- 5. small crustaceans
- 7. distinctive snout
- 8. spend most of their life on drifting ice
- 11. ex.Blue Whale and Fin Whale
- 12. large groups of dolphins
- 14. "four-footed"
- 15. whale hunting
- 19. inhabits mangrove swamps and estuaries in Eastern Indian Ocean,Australia, and Pacific Islands
- 20. no webbed feet
- 23. large pinniped
- 24. graceful flyers that hover over prey
- 25. fin-like tail
Down
- 1. make up largest variety of seabirds
- 2. "Sea Cows"
- 4. milk secreted from these
- 6. eared seals
- 8. has unique pouch below their large beaks
- 9. fibrous plates
- 10. organisms that retain some metabolic heat
- 13. the excrement of millions of sea birds
- 16. organisms able to keep their body temp. more or less constant
- 17. black, long necked seabirds
- 18. "after birth"
- 21. single or double opening
- 22. complex nucleic acid that contains geneitic info
