Question

Scientists visiting a remote island find two species of birds that appear nearly identical except for bill size. the species with the larger bill eats large seeds, and the species with the smaller bill eats small seeds. according to genetic evidence, the two species are extremely closely related to each other. which of the following is the most likely explanation of the different bill sizes in these species?

Answer 1

Hello:)

A explanation to this would be that there were too seprate species and they reproduced together and their children reproduced with the opposite species and they eventually became close too one specie. ORRR The birds genetic code could have started to grow a larger bill or the bill could have started to grow smaller.