The best way to describe the author's purpose in writing this piece is to inform the readers about the branch of zoology known as herpetology.
Herpetology may be defined as a branch of zoology that deals with the scientific study of amphibians and reptiles.
The complete question is as follows:
According to the excerpt given above, the author wants to convey the information about herpetology to the readers in a precise manner.
Thus, the correct option for this question is A.
To learn more about Herpetology, refer to the link:
https://brainly.com/question/10714806
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