atrium is divided into left and right sides and the ventricle is not divided
Amphibians have a three chambered heart.
No, all modern amphibians do not only use their lungs for respiration. They can also respire through their skin and tissues in the lining of their mouth.
Amphibian evolution
No modern amphibians have teeth.
the amphibians have a three chambered heart whilst the fish have a two chambered heart.
Yes, an amphibian does have a heart.
Amphibians. Amphibians evolved in the Devonian period, about 400 mya. Adelobasileus, thought to be the ancestor of all modern mammals, lived in the late Triassic, about 225 mya.
Crocodiles are reptiles not amphibians.
Amphibians.
Yes, newts are amphibians.
No.
bigger than a human