1
Animals that eat other animals are ...
2
Animals that are born from eggs are ...
3
Scientists think that birds are descended from ...
4
Birds\' bodies are covered in ...
5
Birds sit on their eggs to ... them.
6
An ... is a very large bird with long legs that cannot fly.
7
Reptiles have ... on their skin and birds have them on their legs.
8
... are the parts of a bird\'s body that it uses for flying.
9
Scientists study ... to find out about dinosaurs.
