Two of Darwin's Finches Display a Character Displacement When They

question 31

Multiple Choice

Two of Darwin's finches display a character displacement when they occur as sympatric species.Which of the statements correctly interprets the graph?

• A)Both species have the same size beak on Santa Maria Island.
• B)Both species have the same size beaks on Daphne Major.
• C)Both species have the same size beaks on Los Hermanos Island.
• D)The two species have different beak sizes when they occur on the same island.
• E)The two species feed on different food resources; one feeds on seeds while the other feeds on insects.

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Definitions:

Bird Respiration

The process by which birds exchange gases, notably featuring a unique system of air sacs that provides them with a continuous flow of air through their lungs for high efficiency.

Alveoli

Tiny air sacs within the lungs where the exchange of oxygen and carbon dioxide takes place.

Gas Exchange

The biological process through which organisms exchange oxygen and carbon dioxide with their environment, vital for respiration.

Glottis

The part of the larynx consisting of the vocal cords and the slit-like opening between them, crucial for producing vocal sounds.