Completar frases Vertebrate animalsVersión en línea Write the names of the proper groups: mammals, birds, reptiles amphibians or fish. por Martín Vicente 1 mammals mammals fis reptiles amphibians birds reptiles amphibians birds fish 1 . Their bodies are covered with feathers : 2 . They breathe air through their lungs and their skin is covered with scales : 3 . Most of them are covered with hair or fur : 4 . They are oviparous and most of them look after their young : 5 . All of them are aquatic animals : 6 . When they are adults , they breathe through their lungs and their skin : 7 . When they are young , they drink their mother's milk : 8 . Most of them live on land and some of them slither : 9 . Their babies are called tadpoles : 10 . They breathe through their gills and they move using their fins :
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