AS & A Level Marine Science (9693) — May–June 2023, Paper 42
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 is a diagram of part of a cell membrane. Identify the molecules labelled A and B in Fig. 1.1.
Answer this question and get it marked →Scientists studied two types of fishing: rod-and-line fishing and purse-seine fishing. Table 2.1 shows the catch-per-unit-effort (CPUE) for each fishing method. CPUE is the number…
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 →