Only with the appearance of true humans – the genusHomo– did hominins begin to look and behave a little more like we do. Few now doubt that our genus evolved from a species of australopith, although exactly which one is a matter of debate. It was probably Lucy’s speciesAustralopithecus...
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翻译结果1复制译文编辑译文朗读译文返回顶部 人类是从灵长类动物进化 翻译结果2复制译文编辑译文朗读译文返回顶部 做人从 PRIMATES 发展 翻译结果3复制译文编辑译文朗读译文返回顶部 并从灵长类动物进化的人类 翻译结果4复制译文编辑译文朗读译文返回顶部 没有人从灵长类动物演变 ...
Are humans mammals or amphibians? Do all amphibians go through metamorphosis? Are amphibians the only vertebrates that undergo metamorphosis? Are hominids mammals or amphibians? Are amphibians and reptiles mammals? What kind of animals evolved from amphibians?
differ from other animals. C. free their brains D. strengthen their legs 相关知识点: 试题来源: 解析 答案见上【导语】这是一篇说明文。文章主要说明了研究发现人类直立行走的原因主要是为了节约能 量,介绍了相关研究以及研究发现。 11. 词句猜测题。根据第一段“Why did humans evolve to walk upright...
The first humans emerged in Africa around two million years ago, long before the modern humans known as Homo sapiens appeared on the same continent. There’s a lot anthropologists still don’t know about how different groups of humans interacted and mated with each other over this long stretch...
Humans evolved from ape-like ancestors because they needed to run long distances – perhaps to hunt animals or scavenge carcasses on Africa's vast savannah
Chinese scientists have unearthed a primitive sarcopterygium that lived 400 million years ago, which is believed to have striking similarities to the common ancestor of the tetrapod and lungfish.Fossil records indicate that terrestrial vertebrates (tetrapods), including human今日中国:英文版...
Mammals are vertebrate animals that are characterized by having mammary glands that produce milk and having bodies covered with fur. In some mammals, the fur is very sparse, such as in humans.Answer and Explanation: No, mammals did not evolve from marsupials. This is because marsupials are ...
. David Raichlen studies chimps. . Different chimps consumed different energy. 4. According to the passage humans walk upright in order to ___. . conserve energy . differ from other animals . free their brains . strengthen their legs 相关知识点: 试题来源: 解析 BCDA 反馈 收藏 ...