This picture shows the United States Arctic National Wildlife Refuge, a large portion of Alaska that is protected from human
activities that would affect living things in the area as well as nonliving resources that support living things. Even though oil
and other resources in the area could be collected and sold by humans to increase American wealth, construction is
prohibited in the area.
The most complex level of organizational hierarchy in the Arctic National Wildlife Refuge that is preserved is
the population of brown bears in the area.
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