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Information and IdeasEasy–MediumFinding supporting a claim about a bird's diet

Information and Ideas practice question

An ornithologist claims that the town's peregrine falcons feed mainly on pigeons.

Which finding, if true, would most directly support the ornithologist's claim?

  1. A. Of 200 prey remains collected beneath the falcons' nest ledge, 170 were identified as pigeon.Correct
  2. B. Peregrines are fast fliers.
  3. C. The town has many pigeons.
  4. D. The falcons nest on the cathedral.

Answer: A. Of 200 prey remains collected beneath the falcons' nest ledge, 170 were identified as pigeon.

Prey remains are direct evidence of diet, and 170 of 200 is 'mainly'.

Why the other answers are wrong

B. Peregrines are fast fliers.
Speed says nothing about which prey.
C. The town has many pigeons.
Availability doesn't show what was eaten.
D. The falcons nest on the cathedral.
Nest site is irrelevant to diet.

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