What Does the Urban Ecological Approach Argue Is the Key

What does the urban ecological approach argue is the key to understanding the city as a social organization?

A) Capitalism transforms the city into real estate traded for profit and concentrates wealth in the hands of a few.
B) As cities grow, residential areas, industrial parks, and shopping districts push away from one another, creating an urban sprawl.
C) People with similar political opinions tend to cluster together in the same neighbourhoods.
D) People with similar religious beliefs tend to organize in particular neighbourhoods.
E) The city is a natural organism, with particular districts and neighbourhoods developing according to an internal logic.