Correct Answer:
Option D - Ethology is the study of animal behavior. Entomology is the scientific study of insects. Etiology is the scientific study of causes of disease. Ethnology is the comparative study of two or more cultures.
D. Ethology is the study of animal behavior. Entomology is the scientific study of insects. Etiology is the scientific study of causes of disease. Ethnology is the comparative study of two or more cultures.