Vertebrates include fish, amphibians, reptiles, birds, and mammals. Analyze the common characteristics of reptiles and explain how they differ from mammals. Explain your answer in one or two sentences.
Reptiles are characterized by their scaly skin, cold-bloodedness, and laying of amniotic eggs. They differ from mammals in that they lack fur or hair, have a lower metabolic rate, and do not produce milk to feed their young.
