CWhy are dogs so friendly?为什么狗如此友善One of the main reasons we like dogs much is that they like us too. Most dogs greet us with tail shaking, and want a little petting. Dogs evolved () from wolves( ) thousands of years ago. Along the way ,a genetic (遗传的)change happened ...
A. Dogs evolved from wolves. B. Selective breeding developed domestic dogs. 相关知识点: 试题来源: 解析 1.C 2.C 3.D 4.AE 【语篇解读】 本文是一篇说明文。 狼和狗是近亲,但是 狗却成了人类的好友,文章分析了部分狼 进化成狗的原因和过程。 1. C 推理判断题。 由第一段中 “A tiny ...
Dogs and modern-day wolves evolved from a common ancestor some 33,000 years ago. Since that time, dogs and wolves have shared many traits that have linked them throughout the millennia. Thought to have been self-domesticating, dog ancestors found it advantageous to hang around human settlements...
reveal that dogs and grey wolves share a now-extinct common ancestor. While dogs can breed with wolves, it turns out that dogs did not evolve directly from the grey wolf, and we can only surmise details about the
It should be obvious that there is a difference between acknowledging domestic dogs evolved from wolves (which is a widely accepted theory with strong supporting evidence) and saying that dogs essentiallyarewolves (which is nonsense). Try to picture a pack of pugs or Bichon Frise brining down an...
(7)Dogs Evolved to Use Eyes to Connect with Humans Dog lovers are well aware of the ability of a dog to communicate with its eyes. Now, scientific research suggests this ability developed over time as dogs learned to live with humans.Just like humans, the eyes can be one of (1)((appe...
Dogs can make faces just like human beings.C. Dogs evolved from their ancestor wolves.D. Compared with dogs, no one likes wolves. 相关知识点: 试题来源: 解析 Dog lovers are well aware of the ability of a dog tocommunicate with its eyes. Now, scientific researchsuggests this ability ...
Finding an ancient wolf that is particularly related to a modern dog would give researchers a better idea of when exactly dogs evolved. “This is one of the biggest questions in human prehistory,” says Bergstrom. He and his team didn’t find such a wolf in this study, but they did lear...
A new study,publishedin the journalEvolution,investigated brain size in both modern and ancient dog breeds. The research team found that dog brains are getting larger the further genetically that they have evolved away from a wolf. That was a startling finding. “The results show that the breed...
The latest studies have shown that dogs probably evolved from wolves about 15,000 years ago,in Europe. Interestingly, Kikusui didn't find the same oxytocin response in wolves and their owners. “These results suggest that wolves do not use gazes as a form of social communication with humans,...