Hayley Banks Chapter 9 crossword

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