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