In the evolution of whales, what was the most significant transformation from their land - dwelling ancestors? A. The development of flippers B. The change of their skin color C. The loss of their hind limbs D. The increase in the size of their E. ars 相关知识点: ...
the smoke of green the smoke signal was the social psychologi the social register the socialism harmoni the society for the e the society gradually the socket has the wr the sodorants the soes the sofa in front the soft sleeper the software reliabil the solar panel the soldiers that are ...
Withouthesitation,Jessicapickedupthebagandopenedit.Shewasshockedtoseealotof moneyinit—atotalof7,100euros.Therewasprobablyalottheycoulddowithallthatmoney. However,thecoupledidn?thaveitinthemtostealwhatbelongedtosomeoneelse.Goingtothe policewasthefirstthoughtthatcametomindwhenJessicasawthemoney.Shedidn?tconsid...
passengersshe?dnevermetbefore,tobeginthe journeytowards Antarctica.“From seeing the wildlifetowitnessingsunrises,thewholeexperiencewasamazing.Antarcticaleftanimpression onmethatnootherplacehas,”Ginnisays.“IrememberthefirsttimeIsawahumpbackwhale;it justroseoutofthewaterlikesomeprehistoric creatureandIthoughtitwas...
Charles Darwin proposed the theory of evolution. What was the main source of evidence for his theory? A. Fossils and his observations during his voyage B. Ancient books and legends C. Laboratory experiments on animals D. Interviews with other scientists ...
What was the main factor behind the evolution of music styles from gospel to hip-hop? A. The influence of media B. The development of urban areas C. The expression of social issues D. The innovation of music production 相关知识点: ...
"Liber Abaci" first introduced the sequence to the Western world. But after a few scant paragraphs on breeding rabbits, Leonardo of Pisa never mentioned the sequence again. In fact, it was mostly forgotten until the 19th century, when mathematicians worked out more about the sequence's mathemati...
.⑥The environment is obviously important, but its role has remained obscure.⑦It does not push or pull, itselects, and this function is difficult to discover and analyze.⑧(63)The role of natural selection in evolution was formulated only a little more than a hundred years ago, and the ...
The department store. The first "store for everything" was John Wanamaker's, a six-story retail wonderland that rose in the heart of Philadelphia in 1861.12 The Sears catalog. It wasn't the first catalog but it was the first to reach practically every consumer in America with a vast rang...
This organic matter was constantly altered on its long journey towards our planet, its final composition the product of a singular history which scientists are now attempting to reconstruct.但是这些最终进入地球海洋的碳质物质经历了一系列的变化，特定的温度、特定的事件、特定的恒星、来自太阳的特定量的...