Matching Pairs Let's check knowledgeOnline version Match the appropriate description with the corresponding animal. by Karen Quintero 1 A mammal is a 2 Reptiles 3 An amphibian is a 4 Amphibians 5 Birds 6 Mammals They lay eggs. Their skin is covered with hard and dry scales frog they are cold-blooded,they can move out in water and land. They are warm-blooded, they nurse their young with milk and have fur cow or a dog They can fly, have wings and feathers