Matching Pairs Vertebrates FeaturesOnline version Vertebrates basic features by Rubén Herradon Parra 1 Most mammals are viviparous. 2 Monotremens are special mammas because they are oviparous, it means they lay eggs. 3 Mammals breathe with teir lungs. 4 Mammals can be carnivores, herbivores and omnivores. 5 Most mammals have fur covering their bodies. 6 Baby mammals drink their mother´s milk. 7 Most mammals have four legs, some of them have flippers and wings.
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