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A population of island birds has very low genetic variation, and all individuals possess thin, delicate beaks perfectly suited for cracking small, soft seeds from a single type of plant that is abundant on the island. A new, invasive plant species is introduced, and its seeds are large and hard-shelled, quickly outcompeting the native plant. What is the most probable outcome for this bird population in the face of this environmental change?
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A population of island birds has very low genetic variation, and all individuals possess thin, delicate beaks perfectly suited for cracking small, soft seeds from a single type of plant that is abundant on the island. A new, invasive plant species is introduced, and its seeds are large and hard-shelled, quickly outcompeting the native plant. What is the most probable outcome for this bird population in the face of this environmental change?