| Hint | Class of Vertebrate | % Correct |
|---|---|---|
| Mammals | Mammalia | 100%
|
| Amphibians | Amphibia | 93%
|
| Birds | Aves | 93%
|
| Reptiles | Reptilia | 93%
|
| Jawless fishes | Agnatha | 53%
|
| Cartilaginous fishes | Chondrichthyes | 53%
|
| Bony fishes | Osteichthyes | 47%
|