Read the paragraph and choose the sentence that does NOT support the topic sentence.
Much of man's social life involves a behavior known as social hierarchy. A social hierarchy is composed of levels of authority from top to bottom. Animals have a similar pattern called the "pecking order." This is true in most organizations such as the army, a school, and the business world. The significance of such a chain of command at the human level us obvious. It provides order and organization within a group of people. It eliminates confusion; therefore, it promotes efficiency of the organization.

о It provides order and organization within a group of people. It eliminates confusion; therefore, it promotes efficiency of the organization.

о A social hierarchy is composed of levels of authority from top to bottom.

о Animals have a similar pattern called the "pecking order."

о This is true in most organizations such as the army, a school, and the business world.

о Much of man's social life involves a behavior known as social hierarchy.