A Population of Birds Is Found on a Remote Island

question 27

Multiple Choice

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) That all the birds appear to eat the same range of food.
• B) Whether they can breed with one another.
• C) Whether the matings produce viable eggs or offspring of some matings are sterile.
• D) That they share many physical characteristics.
• E) That the males all sing very similar songs.

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Definitions:

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