Two different species of organism occupy the same niche. Which of the following scenarios will occur? a. The two species will live in harmony. b. One species will out compete the other species. c. One species will rapidly evolve to fill another niche. d. Both species will decrease sharply due to over predation by a common predator
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The material wealth gap in the United States increased from the 1970s to the 2000s due to, among other factors, A. higher-paying service jobs replacing lower-paying manufacturing jobs. B. fewer immigrants filling fewer low-paying service jobs. C. tightly regulated markets depressing wages for a majority of workers. D. lightly regulated markets depressing wages for unskilled workers.
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