The newest 9 of 9 written questions. Open one to see it on the real paper.
Some governments want to conserve bluefin tuna. In 1990, these governments banned the use of some fishing methods. Suggest whether this ban has been successful. Use the data in the graph to support your answer.
See it on the paper →An increase in mesh size and use of pole and line fishing are two strategies to manage fish populations. Explain how these strategies help conserve fish populations. INCrEASE MESH SIZE
See it on the paper →Astudent concludes that the best strategy to increase the population of bluefin tuna is to ban all fishing in the areas where bluefin tuna are present. Suggest three disadvantages of banning all fishing in the areas where bluefin tuna are present.
See it on the paper →A student says: The best way to solve the problem of overfishing is to stop all fishing during the breeding season. To what extent do you agree with this statement? Give reasons for your answer.
See it on the paper →Give two reasons why some people think this is not a sustainable activity.
See it on the paper →Explain the importance of sustainable fisheries for humans.
See it on the paper →Lionfish are not native to The Bahamas. Some people think that the lionfish population should be controlled. Sharks do not naturally feed on lionfish. Scientists believe that sharks can be trained to prey on lionfish if they are given some to eat. The photograph shows a diver feeding a lionfish to a shark. Describe the...
See it on the paper →A student says: Management of the marine ecosystem is not given a high priority by countries and should be controlled by more international agreements. To what extent do you agree with this statement? Explain your answer.
See it on the paper →‘It is not possible to make all fishing sustainable.’ How far do you agree with this statement? Give reasons for your answer.
See it on the paper →This question required were candidates were required to give two reasons why some people think feeding animals on farms fish meal to help them grow quickly is not a sustainable activity, was not well understood. The most common reason given was that it causes overfishing and a decline in numbers of fish. Some candidates stated that it would affect food chains. Many responses did not answer the que...
— Examiner report, May/June 2023, 0680/21 Q4(b) (Cambridge)
More able candidates were able to explain why sustainable fisheries were important to humans, namely the opportunity to provide food supplies in the future and the impact on future income.
— Examiner report, February/March 2023, 0680/12 Q5(a)(ii) (Cambridge)
Describing the benefits and limitations of training sharks to prey on lionfish to control the population was challenging for many candidates. The most common benefit was that training sharks to feed on lionfish was a biological control. Responses were stronger on describing limitations, with candidates writing about the training being difficult, expensive, very dangerous for the diver, and a metho...
— Examiner report, February/March 2023, 0680/22 Q4(c) (Cambridge)
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