Bio of Marine Mammals Final Project

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Across
  1. 5. Which ice seal species has the highest PCB contamination
  2. 8. In traditional hunting, what was the main tool used to deliver the final blow?
  3. 10. What type of fisheries interaction causes low availability for a species prey?
  4. 11. What’s the main way pollutant contaminants are transported? (2 words together)
  5. 15. HELCOM stands for ___ Marine Environment Protection Commission
  6. 17. Possible solution to traditional methods/nets used by fisheries to reduce by catch?
  7. 20. Female marine mammals can eliminate contaminants via placenta and ____
  8. 21. What is the main weapon used in traditional hunting today?
  9. 22. Reason polar bears have lower levels of POPs/PCBs even as apex predators
  10. 23. Due to climate change and ice edge availability, polar bears have changed their diet to target ___ seals
  11. 24. Since 2014 shooting of gray seals has been permitted in Denmark under special ____ in cases where there are substantial economic losses by fisheries
  12. 25. What species in the arctic is mostly likely to be the most contaminated by pollutants (2 words together)
  13. 26. How were POPs mainly investigated?
  14. 27. There are 12 POPs that are the worst. They are called the _____ dozen
Down
  1. 1. The polar bear’s scientific name is Ursus _____, which is fitting for its marine lifestyle
  2. 2. What is the buildup of pollutants within a single organism called?
  3. 3. Earlier ice melt gives less time to ___ for polar bears
  4. 4. POPs stands for _____ organic pollutants
  5. 6. There are ___ species of Arctic Ice Seals
  6. 7. The ____ convention was the most important environmental treaty regarding the future of production and use of POPs
  7. 9. What kind of net scrapes along the floor bed
  8. 12. What is the buildup of pollutants at increasing trophic levels called?
  9. 13. What family do ice seals belong to?
  10. 14. exposure to what POP reduces bone mineral density among polar bears in East Greenland?
  11. 16. historically, what was the mode of transportation used for Inuit hunting
  12. 17. What kind of net can marine mammals survive in after getting caught?
  13. 18. What is a consequence to mass fishing that leads to seal mortality
  14. 19. The ___ seal is the ice seal most commonly targeted by Inuit hunters