The figure below shows that the cohabitating ground finches on Pinta Island experienced character displacement, with birds specializing in either smaller seeds or larger seeds.
Predict the outcome of this coinhabitation if large and small seeds had not been initially available.

Question

The figure below shows that the cohabitating ground finches on Pinta Island experienced character displacement, with birds specializing in either smaller seeds or larger seeds. 
Predict the outcome of this coinhabitation if large and small seeds had not been initially available.

Quizplus · Accepted Answer

Without the initial availability of large and small seeds, the two species would not have been able to specialize in different types of seeds. This would have resulted in direct competition between the two species for the same type of food, leading to the extinction of one species on the island.

The Figure Below Shows That the Cohabitating Ground Finches on Pinta