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Information and IdeasMediumInference from a change in a bird's diet

Information and Ideas practice question

Stomach contents of gulls collected near the town in the 1980s were almost entirely fish. Samples from the same area last year were dominated by bread, chips, and packaging. This suggests that ____

Which choice most logically completes the text?

  1. A. the gulls have shifted from feeding at sea to scavenging human food in the town.Correct
  2. B. the gulls have stopped eating.
  3. C. fish have become more abundant near the town.
  4. D. the gulls collected last year were a different species.

Answer: A. the gulls have shifted from feeding at sea to scavenging human food in the town.

Fish then, human leftovers now.

Why the other answers are wrong

B. the gulls have stopped eating.
They are eating, just different things.
C. fish have become more abundant near the town.
Less fish in the diet suggests the opposite, or a change in behaviour.
D. the gulls collected last year were a different species.
The text says the same area, with no hint of a different species.

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