Fish have scales.They breathe with their gills.Fish use their fins to swim.Their can be carnivorous,herbivorous or omnivorous.And they can be Bony fish or Cartilagenous fish
They´ve got two forms the tadpole and the adult frog.The tadpole don´t have legs and they´got gills. Frogs got smooth skin aduts amphibians breathe by cutaneous respiration.Adults got legs.Frogs undergo metamorphosis.
There have hard scales.There are oviparous.They breathe by lungs. There are four groups lizards,snails,turtles and crocodiles Lizards:Have got a long tail. Snakes:They haven´t got any extremities. Turtles:They´ve got a hard shell.They haven´t got any teeth Crocodiles:Lots of sharp teeth
› Birds have got feathers on their body. They have got four extremities:Two legs and two wings. They also got lungs to breathe air. Their are oviparous animals. They can be:Herbivorous,granivorous,insectivorous,ca rnivorous or omnivorous Aerodynamic bodys:Their bones are also thin and light
Mammals have got usually hair in their body. They´ve got thick hair called fur. Their are viviparous. Female mammals have got mammary glands They can be carnivorous,insectivorous,herbivorous or omnivorous