MAMMALS, HAVE HAIRS AND PRODUCE MILK, GIVE BIRTH TO LIVE OFFSPRING(NO EGGS), BIRDS, HAVE FEATHERS AND BEAKS, HAVE WINGS, REPTILES, HAVE DRY SCALES, LAY LEATHERY SHELLED EGGS, AMPHIBIANS, HAVE MOIST SKIN, LIVES ON LAND AND WATER, FISHES, HAVE WET SCALES, HAVE GILLS AND FINS

Classifying Vertebrates

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