AS & A Level Marine Science (9693) — May–June 2023, Paper 33
7 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 jellyfish. State the phylum to which jellyfish belong.
Answer this question and get it marked →Fig. 2.1 shows the Mekong delta in Vietnam, where shrimp and rice are farmed. The shrimp are farmed in ponds close to the sea. Suggest how a delta is formed.
Answer this question and get it marked →Fig. 3.1 shows golden samphire (Limbarda crithmoides) growing in the splash zone of a rocky shore. Golden samphire has thick, fleshy leaves. Explain the advantage of thick, fleshy…
Answer this question and get it marked →Table 4.1 shows the rates of photosynthesis of a green macroalga in different colours of light: colour of light rate of photosynthesis / arbitrary units --- --- white 31 red 21…
Answer this question and get it marked →Discuss the impacts of sonar, purse-seine fishing and benthic trawling on populations and habitats of marine organisms.
Answer this question and get it marked →Discuss the importance of coral reefs to humans.
Answer this question and get it marked →Describe ecotourism and outline how it can be used as a strategy to conserve marine species.
Answer this question and get it marked →