A new plant species is introduced to Daphne Major and produces small, thin seeds. This plant species is highly adapted to drought and after 5 years has replaced over 80% of the native plants that produce large seeds. How will this change affect the evolution of beak size in the medium ground finch population?
A. Small beaks will be favored under all rainfall conditions.
B. Large beaks will be favored in wet years and small beaks will be favored in dry years.
C. Large beaks will be favored under all rainfall conditions.
D. Small beaks will be favored in wet years and large beaks will be favored in dry years.
Answer: A
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What will be an ideal response?