__________ helps fish to breathe oxygen.
Gills
All of the above.
Are dinosaurs mammals?
No; they are reptiles
The only flying mammal is a.........
bat
Name at least three ways to classify a mammal.
vertebrates; warm-blooded; has hair or fur; breathes air with lungs; most are born alive; mothers produce milk for its young;
Look at the image. Name the two main ways to classify this animal.
vertebrate and fish
Select one that is not in the same group.
Salamander
C
fish and amphibians
Is a snake a vertebrate?
Yes
Select one that doesn't belong in the same group.
Insects