differences between mammals, reptiles and amphibians
Mammals and reptiles are both oxygen-breathing vertebrates that need nourishment for living. Both have the same organ components such as brain, heart, stomach, lungs, among others. Mammals and reptiles are both tetrapods, meaning they both have four limbs. Mammals. Mammals are vertebrates that give birth to a live young. Most offspring are not yet able to look for food and need nourishment in the form of milk from its motherâs mammary glands. Mammals have furs or hair and have sweat glands.
Amphibians have moist, smooth or rough skin. 1  Respiration: Breathing via gills, lungs or through the skin which is called cutaneous respiration. Their vascularised skin must be moist for this to work. 2  Feeding: Amphibians attempt to swallow their food whole but some have exclusive teeth called pedicellate teeth.