Now that we know much more about ancient exchange and commerce, we know that, because no one aspect of trade was an overriding cause of cultural change or evolution in commercial practices, trade can never be looked on as a unifying factor or as a primary agent of ancient civilization. ...
He worked in his study, where he wrote 250,000 words the Origin of Species about his theory of evolution(进化论), but he was frightened about what people might say about his ide a that monkeys were the ancestors of humans. He thought the public would be against it and was so ...
In considering the theory of human evolution it is interesting to note that some very well known scientists have actually suggested that the line of human evolution is far from clear. For example, in 1990, Richard Leakey himself said that, "If pressed about man's ancestry, I would have to ...
Evolution is considered the unifying concept in biology and is also a key theory underlying many areas of human knowledge. Teaching evolution from as early as kindergarten allows children to better understand concepts related with the biological world and prevents the development of negative feelings an...
appeared 50 years before Darwin. Unfortunately, he did not possess an understanding of gene behavior and heredity. However, his ideas started the discussion of evolution in the scientific community and, combined with the three additional ideas that follow, serve as a starting point for Darwin and...
Early ideas in underground coal gasi- fication and their evolution. Energies, 2:456-476.Klimenko, A. Early Ideas in Underground Coal Gasification and Their Evolution, Energies 2009, 2, 456-476; doi:10.3390/en202004562.Klimenko AY. Early ideas in underground coal gasification and their ...
This review summarizes these discoveries and explores their significance relative to changing ideas about early tetrapod phylogeny, biogeography, and ecology. Research emphasis can now shift to broader-based questions, including the whole of the early tetrapod radiation, from the divergence from other ...
But the competition of man against man is not the simple process envisioned in biology. It is not a simple competition for a fixed amount of food determined by the physical environment, because the environment that determines our evolution is no longer esse...
In humans and other animals, harsh circumstances in early life predict morbidity and mortality in adulthood. Multiple adverse conditions are thought to be especially toxic, but this hypothesis has rarely been tested in a prospective, longitudinal framewo
D. Other factors functioned in the evolution of human brains. 相关知识点: 试题来源: 解析 D解析:推理题。参阅第一段首句The evolution of speech may have been the most important factor of all(语言的进化可能是所有因素中最重要的).由此推论,前面的段落在叙述其他一些因素。反馈 收藏 ...