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5. The graphics below show the change in the past 48 years in the bird population by habitat for the United States and Canada. "Data Source: the Learning Network of the New York Times (a) Which graph best conveys to you the change in the bird population in the past 48 years? Explain your answer . (6) Ohio is considered an Eastern forest habitat. What has happened to the bird population here? How does that compare to the bird population overall in North America or in other habitats? Bird population change since 1970 by breeding habitat -50% -30 -20 -10 +10 +20% Grasslands Boreal forests 200 million Western forests Tundra 400 million Generalist Forest generalist Net loss of 600 million birds Eastern forests Arid lands 1970 '80 '90 2000 '10 Coasts Wetlands