Bio Marine Mammals Final Project

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