Zoology 8th Edition by Stephen Miller,John Harley

تمرين 10

The partial septum in the ventricle of most reptiles is
a. evidence that reptiles are less highly evolved than birds and mammals, whose ventricles are completely divided.
b. an adaptation that allows shunting of blood from the pulmonary to the systemic circuit during periods of intermittent breathing.
c. a shunting mechanism that is especially well developed in turtles.
d. Both b and c are correct.