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After an El Nino left few large hard seeds on Daphne Major, average finch bill size became:

AHooked
BSmaller
CLarger
DUnchanged
Answer & Solution
Correct answer: B. Smaller
1. Small soft seeds were abundant. 2. Small-billed birds survived and bred. 3. Average bill size became smaller. _Source: OpenStax Biology 2e, Chapter 18, Evolution and the Origin of Species (CC BY 4.0)._
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