Herpetology is a branch of science that deals with______.
Reptiles
The correct option is D
Explanation of the correct option:
Herpetology is a scientific discipline concerned with the study of reptiles and amphibians.
Explanation of the incorrect option:
Option A:
Ornithology is the study of birds.
Option B:
Ichthyology, commonly known as fish science, is the discipline of biology that studies fishes.
Option C:
Mammalogy is a discipline of biology dealing with the study of mammals.
Final answer: Herpetology is a branch of science that deals with Reptiles.