A population of birds is found on a remote island.Which of the following information is most important in deciding if the birds all belong to a single species?
A)Whether the matings produce viable eggs or offspring of some matings are sterile
B)Whether they mate with one another
C)Whether they share many physical characteristics
D)Whether the males all sing similar songs

Question

Quizplus · Accepted Answer

The ability of matings to produce viable, fertile offspring is a key criterion in determining if a group of organisms belongs to the same species, according to the biological species concept.

A Population of Birds Is Found on a Remote Island