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John D. Harder
John D. Harder is associate professor emeritus in evolution, ecology, and organismal biology at The Ohio State University, where he taught upper-division courses in mammalogy and c...ver másJohn D. Harder is associate professor emeritus in evolution, ecology, and organismal biology at The Ohio State University, where he taught upper-division courses in mammalogy and conservation biology. His research on the reproductive biology and ecology of mammals has focused on marsupials and involved field studies in Ohio, Venezuela, and Amazonian Peru.ver menos