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Mammals, reptiles, birds, amphibians and fish all have something in common - they all have a backbone. Here are the basics on each group.
Read more about:
live young & reproduction
milk
warm blooded & cold blooded
appearance
all mammal traits
Read more about:
eggs and reproduction
warmblooded/coldblooded
appearance
all reptile traits
Read more about:
eggs
warmblooded/coldblooded
appearance
all bird traits
Read more about:
eggs and reproduction
warmblooded/coldblooded
appearance
all amphibian traits
Read more about:
fish eggs
warmblooded/coldblooded
appearance
all fish traits
Test yourself with our
*NEW*
Classification Game!
Images by Jasmine Chapgar
