Given below is the representation of the extent of global biodiversity of vertebrates. What groups do the three portions (A-C) represent respectively?

Options

A. `{:(A,B,C),("Mammals","Fishes","Birds"):}`
B. `{:(A,B,C),("Fishes","Mammals","Reptiles"):}`
C. `{:(A,B,C),("Amphibians","Birds","Mammals"):}`
D. `{:(A,B,C),("Fishes","Mammals","Birds"):}`

Answer

D