AP BIOLOGY

Detailed explanation-1: -When we gain insight into animal behavior, we are in a stronger position to understand vexing conservation problems, such as how to save endangered species, assess environmental quality, design nature preserves, and evaluate the importance of human-related threats to survival in otherwise fit animals.

Detailed explanation-2: -The correct option is B ethology. Ethology deals with the study of interaction of animals among themselves and with the environment. Psychology is the study of human mind and its functions.

Detailed explanation-3: -Ethology is the scientific study of non-human animal behavior, usually with a focus on behaviour under natural conditions, and viewing behaviour as an evolutionarily adaptive trait.

Detailed explanation-4: -Animal studies have therefore greatly increased our understanding of the basic principles of brain structure and function. Without this knowledge our ability to further develop neurological models and psychological theories of brain function would be impaired.