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7 May, 06:14

The graph shown above is from one of the most well-known and on-going ecological studies ever performed. Isle Royal National Park, an island on Lake Superior, keeps data of populations of wolves and moose living there. The moose are a major food source for the wolves. Based on the graph, how does the moose population affect the population of wolves? A) As moose populations increase, wolf populations immediately increase. B) As wolf population falls, moose populations fall with a delayed effect. C) Moose populations don't really show any relationship to wolf carrying capacity. D) The wolf carrying-capacity rises as moose populations increase, but with a delayed effect.

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  1. 7 May, 06:26
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    I think that the correct answer based on the graph is:

    D) The wolf carrying-capacity rises as moose populations increase, but with a delayed effect.

    When wolf population falls, moose population increases

    When moose population decreases, wolf population also decrease but in a gradual manner because moose, their main source of food is limited or gone.
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