Options
- A. The caterpillars will eat much of the foliage of the trees where flycatchers nest, and their nests will be more open to predation.
- B. The earlier hatching of caterpillars will compete with other insect larval forms on which the flycatchers also feed their young.
- C. The flycatcher nestlings in 2000 will miss the peak mass of caterpillars and may not be as well fed.
- D. The flycatchers will have to migrate sooner to match their brood-rearing season with the time of caterpillar peak mass.
- Correct Answer: Option C
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