The species-productivity hypothesis predicts that there would be more species per unit area in the southwestern U.S.than in the Amazon rainforest.

Question

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The species-productivity hypothesis suggests that there is a positive relationship between productivity (the amount of energy available to support life) and species diversity. Therefore, the Amazon rainforest, with its high levels of productivity, should have more species per unit area compared to the southwestern U.S. which has a lower productivity.

The Species-Productivity Hypothesis Predicts That There Would Be More Species