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美国科学家在最新出版的《自然》杂志上报告说,他们首次发现了黑猩猩的化石,为研究这种灵长类动物的进化过程提供了证据。与人类祖先不同,黑猩猩祖先的化石此前未被证实发现过。科学家曾认为,这是因为绝大部分黑猩猩都生活在西非和中非的原始森林里,那里的酸性土壤和高降雨量使
American scientists reported in the latest issue of Nature that they first discovered the fossils of chimpanzees and provided evidence for studying the evolution of such primates. Unlike human ancestors, fossils of ancestors of chimpanzees have not been previously identified. Scientists have argued that this is because most chimpanzees live in the primeval forests of West and Central Africa where the acidic soil and high rainfall make