| Rating | Solver | Clue |
|---|---|---|
| MAMMALS | Warm-blooded vertebrates | |
| HEMATOTHERMAL | Warm-blooded. | |
| HEMATOTHERMA | The warm-blooded vertebrates, comprising the mammals and birds; -- the antithesis to hematocrya. | |
| HEMATHERMAL | Warm-blooded; hematothermal. | |
| HAEMATOTHERMAL | Warm-blooded; homoiothermal. | |
| REPTILES | Cold blooded vertebrates | |
| MAMMAL | Warm blooded vertebrate | |
| HEMATHERM | A warm-blooded animal. | |
| HOMOTHERMOUS | Warm-blooded; homoiothermal; haematothermal. | |
| HAEMATOCRYA | The cold-blooded vertebrates. Same as Hematocrya. | |