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