ap bio essay 2

ap bio essay 2 - 1. Define and explain the role of each of...

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1. Define and explain the role of each of the following in social behavior: A. territoriality B. dominance hierarchies C. courtship behavior Behavior, which includes muscular as well as nonmuscular activity, is everything that an animal does and how it does it. Territoriality is a behavior in which an animal defends a bounded physical space against encroachment by other individuals, usually of its own species. Territory defense may involve direct aggression or indirect mechanisms such as scent marking or singing. In many vertebrates and some invertebrates, territoriality may limit density. For this, territory space becomes the resource for which individuals compete. For example, cheetahs are highly territorial because they use chemical communication to warn other cheetahs of their territorial boundaries. Oceanic birds, like gannets, nest on rocky islands, where they are relatively safe from predators. Hierarchies are a body of things organized into successive ranks or grades with each level
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