Respuesta :
Answer:
Option: D. ethology.
Explanation:
Ethology is a study of animal behavior. The biologist and veterinary specialist usually focus on animals behavior under natural conditions in nature. The ethology study has its roots in works of Charles Darwin and other which later passed on Charles O. Whitman, Wallace Craig and so on. Ethology often studies the behavior of animals such as aggression, animal culture and teaching.
