VertebratesVersion en ligne Answer some questions about vertebrates. par Gabriel Pérez Comendador 1 Vertebrates are divided into five groups: Mammals, birds, reptiles, amphibians and... Written answer 2 Birds have their bodies except for their legs covered with... Written answer 3 How do fish breathe through? Written answer 4 Birds don't have teeth, they have a ... instead. Written answer 5 Why are mammals viviparous? Written answer 6 Birds, reptiles, amphibians and fish are oviparous because... Written answer 7 Young amphibians are different from adults because the go through a process called... Written answer 8 Amphibians breathe through their skin and through ... Written answer 9 Where do fish lay the eggs? Written answer 10 What vertebrates look after their young? Written answer
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