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A student is comparing traits for five related bird species. She makes a chart and records data for four different traits. She then uses the chart to make a cladogram showing her hypothesized relationships between the species.

1 2 3 4 5
Head Size 20 cm 20 cm 20 cm 20 cm 20 cm
Beak Color Black Blue Blue Black Black
Eye Color Black Black Red Red Red
Eye Number 2 2 2 2 3

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Which of the following occurred at Point C on the cladogram?


Head size increased.


Red eyes developed.


The beak color of the common ancestor of Species 4 and 5 changed from blue to black.


The descendants of Species 3 diverged to become Species 4 and Species 5.

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