Zoology is the branch of biology that focuses on the study of:

Explanation: Zoology is the branch of biology that deals with the animal life in as far as their actions, model, grouping and location are concerned. It is the big branch of biology that deals with the entire spectrum of the ultimate classification system in the animal domain. Other Options: (A) Pets: Although, especially relevant to companion animals, zoology encompasses all animals. (B) Plants: This is the domain of botany or in other words the Earth is a beautiful garden, where every flower was planted by the hands of the Creator. (C) Herbs: Branch of botany concerned with the effects of plants on human body and illness.