AP BIOLOGY

Detailed explanation-1: -territorial aggression (behavior directed toward the defense of an area by an individual or a group against entry by others, usually members of the same species).

Detailed explanation-2: -territorial behaviour, in zoology, the methods by which an animal, or group of animals, protects its territory from incursions by others of its species. Territorial boundaries may be marked by sounds such as bird song, or scents such as pheromones secreted by the skin glands of many mammals.

Detailed explanation-3: -Aggression can be verbal or physical. There are four types of aggressive behavior: accidental, expressive, instrumental, and hostile.

Detailed explanation-4: -Territoriality is a type of intraspecific or interspecific competition that results from the behavioral exclusion of others from a specific space that is defended as territory. This well-defined behavior is exhibited through songs and calls, intimidation behavior, attack and chase, and marking with scents.