AS & A Level Marine Science (9693) — May–June 2023, Paper 11
8 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Complete Fig. 1.1 by sorting the features of seagrass and macroalgae shown in the box below. Features provided in the box: blade, flowers, gas bladder, holdfast, photosynthetic,…
Answer this question and get it marked →The Earth's crust is made up of three types of tectonic plate boundaries. Complete Table 2.1. One row has been completed for you. Do not refer to earthquakes in your answer. Table…
Answer this question and get it marked →Fig. 3.1 shows an exposed rocky shore (a photograph of a rocky headland with cliffs meeting the sea). Explain how two named types of weathering have affected the shoreline in Fig.…
Answer this question and get it marked →Fig. 4.1 shows a clownfish species living with sea anemones (a photograph of clownfish among the tentacles of an anemone). Label the pectoral fin and caudal fin of one clownfish…
Answer this question and get it marked →Sea water is a solution of different chemicals. Draw one line from each chemical model to its name. Four ball-and-stick chemical models are shown, labelled A to D: Model A: a…
Answer this question and get it marked →Describe the differences between cartilaginous and bony fish.
Answer this question and get it marked →Explain how and suggest why adaptations of littoral zone organisms differ between rocky shores and sandy shores.
Answer this question and get it marked →Explain how biotic and abiotic factors affect the dissolved oxygen concentration in the open ocean.
Answer this question and get it marked →