Related: When did humans discover how to use fire? "One of the key things when you're looking for evidence of fire control is an actual combustion structure — so maybe having stones arranged in a circle and then some ash in the middle, maybe some phytoliths [silica structures left by ...
Humans would have needed a way to deal withcorpses as they decomposed, started to smell and exposed the living to flies, pathogens and scavengers. Initially, burials or other forms of body disposal may have dealt only with these practical aspects of death, becoming more sophisticated later on. ...
A. Why dolphins live and play in groups. B. How dolphins develop their unique sounds. C. What aspects of intelligence dolphins possess. D. Whether dolphins can use parentese like humans. 2. How did the researchers carry out their study of dolphins? A. By analyzing mother dolphins’ sound ...
How many times did Kami Rita Sherpa climb to the top of Mount Qomolangma? _Where do the sea women live? _Why can the Baka people go through the thick forest? _ 相关知识点: 试题来源: 解析 l.1.B2.D3.A4.CII.Three to four days.2.26.The island of Jeju.Because they are flexible...
the route to domestication by people has been a black box. The bones ofE. caballusall look pretty much the same, whether wild or domestic, so they couldn’t answer a longstanding question: Where and when did humans first domesticate horses, linking the two species on a road that...
Did Homo habilis live in caves? Where did Australopithecus anamensis live? Was the Homo habilis the beginning of the hominids? Did humans evolve from Homo habilis? How did Homo neanderthalensis differ from Homo sapiens morphologically? Were Homo habilis nomadic?
If you live in a region where winter weather is a regular risk, you are likely used to pouring salt on your sidewalks. But how does it work? And how much salt do humans pour onto our planet’s surface? Th...
Early humans did not leave be ind any written records. However, they left behind many paintings on the walls of the caves(洞穴where they lived. These paintings tell about their life, and we know these early humans walked on four limbs(四肢) like apes(猿). Also, they did not live at ...
C【答案】C【核心短语/词汇】be able to do sth.:能够做某事【翻译】当人类知道如何耕种时,早期人类能够住在一个地方。【解析】A项意思是“他们能够用两只脚走路”,B项意思是“他们能够使用金属”,C项意思是“他们知道如何耕种”,D项意思是“他们知道如何使用火”。根据句子意思“当人类知道如何耕种时,早期人...
25. What did Attenborough find during his second visit to the Great Barrier Reef? A. Mild temperatures stopped the growth of coral. B. The sea grass posted a potential threat to the coral. C. The acidity sped up ...