(A) the forms of wildlife and natural habitats that could be found on the edges of the city (X)
(B) the way in which people organized collective protests about environmental issues (X)
(C) how social groups colonized different areas of the city and competed for resources ()
(D) how men and women used the city’s public spaces differently (X)
Answers: The ecological approach to urban sociology involved studying how social groups colonized different areas of the city and competed for resources.