O-LevelBiologyEcology & Environment5090/12 · May/June 2021 · Q311 Mark

Coastal marine regions are environments with a rich plant and animal diversity. Which process would reduce the biodiversity of these environments?

Abanning fishing during the fish breeding season

Bincreasing the mesh size for any fishing nets used

Cstopping the release of raw sewage into the sea

Dallowing fishing methods that disturb the seabed

✓ Correct answer

D: allowing fishing methods that disturb the seabed

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Topic: Ecology & Environment, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, May/June 2021 Paper 1 Variant 2, question 31.

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