Marine Science Chapters 15-16

Note Taking Worksheet

1. How has eco tourism helped the environment , how as it hurt?(16)
2. What is the Economic Exclusion Zone? (15)
3. Tuna are currently a __________ resource, but whales are probably a __________ resource.
4. Why are some potentially renewable resources currently nonrenewable?

5. How do Scientists think oil and natural gas form?

6. Oil companies extract oil and natural gas from the seabed by…

7. What are methane hydrates?

8. Methane hydrates are not currently used as an energy source because…

9. About half of the world’s magnesium production comes from…

10. Products made from seawater evaporites include…

11. Among physical marine resources, ___________________ is/are second only to gas and oil in terms of their annual economic value.

12. Of the possible renewable energy sources, the one that appear most feasible is…

13. There are growing concerns about fresh water as we move through this century because…

14. The invention of ____________ after World War II revolutionized sea transport shipping

15. What happened after the IWC moratorium on whaling in 1986?

16. What marine mammals taken for their fur?

17. What is the growth trend in aquaculture?

18. Where is commercial fishing mostly done and why?

19. ______________________________ is taking no more fish than would affect future populations. Exceeding it is the precise definition of _______________________.

20. The fishing industry thrives as a business despite estimates that the annual fish catch sells for less than it costs to catch because…

21. According to the concept of biodiversity, every organism is a biological resource because…

22. Name the major greenhouse gases.

23. What data supports the theory that the Earth’s average surface temperature is on the rise.

24. What are some possible effects of global warming?

25. What is most likely the only real solution to the global warming problem?

26. Why is the ozone layer vital to life on earth?

27. How is ultraviolet radiation harmful?

28. What is the most common way that modern ships transplant non-native species to new environments?

29. How do non-native species do damage to the environment?

30. What are the primary causes of coastal wetland destruction?

31. Why are estuaries of particular at risk of destruction?

32. Scientists estimate that about ____% of the world’s coral reefs has been destroyed.

33. With respect to the marine environment, we can define pollution as…

34. What are some heavy metal risks to humans?

35. How do synthetic organic chemicals concentrate into dangerous levels from very low concentrations?

36. How do radioactive materials primarily get into the oceans?

37. What causes eutrophication?

38. How can heated water become a pollutant?

39. Plastic is a hazard in the environment because…