Matching Pairs VertebratesOnline version Complete. by José Torrecillas Baena 1 Reptiles 2 Amphibians 3 Bird 4 Mammals 5 Fish Water (youngs) land (adults), wet skin, oviparous, gills (youngs), lungs (adults). Land, feathers, oviparous, lungs. Water, scales, oviparous, gills. Land and water, fur, viviparous, lungs. Land and water, dry scales, oviparous, lungs.