1
Thee vertebrates start their lives breathing under water, and then they can move onto land.
2
These vertebrates have scales, are cold-blooded, and live on land.
3
What are dolphins, gorillas, and humans?
4
Some mammals and birds do this in the winter.
5
Semi-aquatic means a reptile lives partly on land and partly in ________.
6
These vertebrates are warm-blooded and lay eggs.
7
Fish use these to breathe.
8
All vertebrates have these, and insects do not.
9
Amphibians don\'t hibernate in the winter, they __________.
10
What do mammals have on their bodies that other vertebrates do not have?
11
These vertebrates have gills and usually lay eggs.
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