Across
- 2. are those birds that spend a significant part of their lives at sea and feed on marine organisms
- 3. are herds, schools that travel in large groups
- 5. is a large pinniped with a pair of distinctive tusks protruding down from the mouth
- 7. a complex nucleic acid that contains a cells genetic information
- 8. snakes are found in the tropical Indian and Pacific oceans
- 11. animals in which the eggs develop and hatch in the reproductive tract of females
- 14. small crustaceans whose bodies are compressed from side to side
- 16. are internal air sacs that allow absorption of oxygen directly from air
- 20. organisms that lose metabolic heat to the environment without it affecting their body temperature
- 21. muscle protein in many animals that stores oxygen
- 22. are graceful flyers that hover over their pray before plunging for it
- 23. are toothless whales
Down
- 1. live-bearing animals whose whose embryos develop within their mother's bodies and are nourished by the maternal bloodstream
- 4. organisms that retain some metabolic heat, which raises their body temperature
- 6. a blood protein that transport oxygen in many animals
- 9. are black long necked seabirds that dive and pursure their pray
- 10. an ingredient in fine perfumes
- 12. organisms that have a body temperature that varies with that of the environment
- 13. is the second member of the order Carnivora that inhabits the marine environment
- 15. organisms able to keep their body temperature more or less constant regardless of the temperature of the environment
- 17. is definitely a member of the order carnivora
- 18. get rid of excess salts
- 19. are a muscular tail ends in a pair of fin like
- 23. is a hole on top that they shoot water/air out of
- 24. is an old tradition with a rich history