The newest 15 of 15 written questions. Open one to see it on the real paper.
Describe the impacts of an oil spill on marine mammals. Section B
See it on the paper →Describe how an oil spill can impact this pyramid of energy.
See it on the paper →The mussels were moved to oil-free water at the end of day 3. Use the table to describe the effect on the concentration of oil in the mussels after they are moved to oil-free water.
See it on the paper →Oil from spills can bioaccumulate in organisms. Complete the sentence. Bioaccumulation occurs when an organism a substance at a rate
See it on the paper →State three impacts of oil pollution on marine ecosystems.
See it on the paper →State three impacts of oil pollution on marine ecosystems.
See it on the paper →The impact of oil pollution on coastal ecosystems.
See it on the paper →Describe the impact of oil pollution on the coral reefs in The Bahamas.
See it on the paper →Most candidates correctly identified that the concentration of oil in the mussels decreased. Further credit was available for the accurate use of data from the table.
— Examiner report, May/June 2025, 0680/12 Q4(d)(ii) (Cambridge)
Candidates found this question on bioaccumulation very challenging despite a wide range of potential words being awarded credit.
— Examiner report, May/June 2025, 0680/12 Q4(d)(iii) (Cambridge)
Most candidates gained partial credit for describing the impact of oil pollution on the coral reefs in The Bahamas. Many described how oil covers the surface of the ocean preventing light from reaching the coral and stopping photosynthesis. These candidates often had a good understanding of the effect of oil on ocean food chains. Few candidates mentioned that oil was toxic or stopped filter feedin...
— Examiner report, February/March 2023, 0680/22 Q3(d)(ii) (Cambridge)
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State one impact of oil spills on birds.
State one impact of oil spills on birds.
See it on the paper →Describe the environmental impacts of oil pollution on marine and coastal ecosystems.
See it on the paper →Describe the impacts of oil pollution on marine and coastal ecosystems.
See it on the paper →Explain ways oil spills can impact marine organisms.
See it on the paper →Explain why an oil spill at location Y would be of international concern.
See it on the paper →Describe the possible impacts of an oil pollution event on the coastal ecosystems of Ecuador.
See it on the paper →