AS & A Level Marine Science (9693) — May–June 2023, Paper 43
5 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Fig. 1.1 shows a diagram of a section of a cell surface membrane. Name the structures labelled A and B.
Answer this question and get it marked →Scientists compared the sustainability of three different fishing methods for an Indian Ocean fishery. Table 2.1 shows the catch data for the different methods over one year.…
Answer this question and get it marked →An area of coral reef had been damaged by pollution from agricultural run-off containing fertiliser over a number of years. In 1990 the percentage of this coral reef covered with…
Answer this question and get it marked →Killifish are a euryhaline species of fish. State what is meant by the term euryhaline.
Answer this question and get it marked →Copepods are marine zooplankton. They are crustaceans that have a complex life cycle. Explain the advantages of having a complex life cycle.
Answer this question and get it marked →