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Biology SL Paper 3 (November 2024, TZ2)

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  1. High‑temperature tolerance experiments were performed on Pocillopora damicornis, a coral in the tropical eastern Pacific, in the Gulf of Panama. The scattergraph shows the zooxanthellae densities at three temperature treatments over a 10‑week period.
Figure region page 20
Figure region from page 20

Using the data, explain the effect of temperature on coral bleaching in the Gulf of Panama. [2]