Given below is the representation of the extent of global diversity of vertebrates. What groups does the portions represent?
| A |
B |
C |
D |
E |
| (a) Birds |
Reptiles |
Fishes |
Mammals |
Amphibians |
| (b) Mammals |
Birds |
Fishes |
Amphibians |
Reptiles |
| (c) Fishes |
Amphibians |
Mammals |
Birds |
Reptiles |
| (d) Fishes |
Mammals |
Birds |
Reptiles |
Amphibians |
