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PIMSO 2025 - Science - Primary 4 - National Round Question 1

PIMSO Science · PIMSO 2025 - Science - Primary 4 - National Round

Question 1

The following image represents a food web in the Arctic Ocean. What would happen if there will be an overfishing of the Arctic cod?
Question illustration
Image reference: Darnis et al. (2012), Climatic Change 115(1):179–205.
  1. The zooplankton population would decrease.
  2. The sympagic fauna population would decrease.
  3. The bowhead whale population would decrease.
  4. The polar bear population would decrease.