Frogs differ from other land vertebrates in that _____.
A) the circulatory system does not play a role in respiration
B) they can also exchange gases through their skin
C) the respiratory surface is in their gills
D) they do not possess lungs
E) they take in oxygen through lungs but release carbon dioxide from gills

Question

Quizplus · Accepted Answer

Frogs are unique among land vertebrates because they can exchange gases through their skin, in addition to their lungs. This allows for cutaneous respiration, which is particularly important when they are in water or in moist environments.

Frogs Differ from Other Land Vertebrates in That _____