| 单词 | ancestor |
| 释义 | ancestor (ænsestəʳ ) Word forms: ancestors 1. countable noun [usually plural, with poss] B2 Your ancestors are the people from whom you are descended. ...our daily lives, so different from those of our ancestors. He could trace his ancestors back seven hundred years. Synonyms: forefather, predecessor, precursor, forerunner 2. countable noun An ancestor of something modern is an earlier thing from which it developed. The direct ancestor of the modern cat was the Kaffir cat of ancient Egypt. [+ of] The immediate ancestor of rock 'n' roll is rhythm-and-blues. Synonyms: forerunner, predecessor, prototype, precursor Collocations: ancestor species Many times, domesticated species live in or near areas which also still hold naturally evolved, region-specific wild ancestor species and subspecies. Retrieved from Wikipedia CC BY-SA 3.0 According to this hypothesis, all living megabats and microbats are descendants of a common ancestor species that was already capable of flight. Retrieved from Wikipedia CC BY-SA 3.0 During a past period of desertification, that ancestor species retreated to refuges in the southwestern and southeastern corners of the continent, and evolved into the two present-day spinebill species. Retrieved from Wikipedia CC BY-SA 3.0 But it could not be more different, philosophically or morally, from the kind of fighting in which our ancient ancestors indulged. Times, Sunday Times These are some of the first things that humans ever consciously made and holding one puts you directly in touch with our ancient ancestors. Times, Sunday Times To understand this, you have to turn the clock back and take a look at our ancient ancestors. The Sun It was along this that our ancient ancestors, hunter-gatherers who were following the migratory mammoths, used to pass. Times, Sunday Times And this in turn goes back to the need for our ancient ancestors to work together and help each other to survive harsh conditions. Times,Sunday Times Our remote ape-like ancestors would, of course, have been extremely hairy. Times, Sunday Times But all agree that the family's walk, described as a 'bear crawl', may offer invaluable information on how our ape-like ancestors moved. Times, Sunday Times Researchers say our ape-like ancestors were capable of producing contrasting vowel sounds, a key element of language. The Sun The later stages of evolution from ape-like ancestors have consisted in the acquisition of a larger brain and in the education of that brain. Retrieved from Wikipedia CC BY-SA 3.0 Several other 'common ancestor' projects have arrived at some startling results. Times, Sunday Times But how close were they really to the common ancestor of both that vanished species and our own? Retrieved from Wikipedia CC BY-SA 3.0 This ancestral chain would extend less than 300 miles before reaching the common ancestor that we share with the chimpanzee. Times, Sunday Times If both inherited it from a common ancestor, then the two versions would by now be slightly different. Times, Sunday Times This suggests that our common ancestor with chimpanzees also had a fairly typical repertoire of vocal communication for a nonhuman primate. Retrieved from Wikipedia CC BY-SA 3.0 The discovery means that only one of the two species, known as hominins, can be a direct ancestor of modern human beings, and not both as was previously proposed. Times, Sunday Times This then was the direct ancestor of the helicopter rotor and the aircraft propeller. Retrieved from Wikipedia CC BY-SA 3.0 They were the direct ancestor of the modern cello. Retrieved from Wikipedia CC BY-SA 3.0 Being a cynodont, it was a relative of the direct ancestor to modern mammals. Retrieved from Wikipedia CC BY-SA 3.0 They do not appear to be a direct ancestor of modern swifts, however, but rather a group that retained an overall basal morphology. Retrieved from Wikipedia CC BY-SA 3.0 A distant ancestor of the paperback, we might call it. The Times Literary Supplement This was the distant ancestor to which, it seems, we owe our teeth. Times,Sunday Times Palaeontologists have found the fossil of a distant ancestor of modern mammals and shown that for a time it vied in size with the dinosaurs. Times, Sunday Times A series of deep cuts in the teeth of a distant ancestor of modern humans have taught scientists two things. Times, Sunday Times One of the megafuana that survived until the 17th century was the aurochs, the distant ancestor of modern cattle. Retrieved from Wikipedia CC BY-SA 3.0 It evolved in our species along with intelligence to help our early ancestor avoid danger. The Sun Dart realised that the fossil contained a number of humanoid features, and so came to the conclusion that this was an early ancestor of humans. Retrieved from Wikipedia CC BY-SA 3.0 All these physiological elements point to traits inherited from our early ancestors, about whom archaeologists only have limited information. Smithsonian Mag Ancient genome duplications are also found in the early ancestor of vertebrates (which includes the human lineage) and another near the origin of the bony fishes. Retrieved from Wikipedia CC BY-SA 3.0 The brains of early ancestors who lived in large populations grew faster than those who lived in more isolated groups, said the report. The Sun The book begins, unusually, in the deep, misty past of our evolutionary ancestors. The Times Literary Supplement Once our evolutionary ancestors, the eukaryotes, started using oxygen as a fuel, they had much more energy, but also suffered a lot more cell damage. Times, Sunday Times Fish are our direct evolutionary ancestors. Retrieved from Wikipedia CC BY-SA 3.0 Therefore, optimal cognitive performance may be found in problems faced by our ancestors, or related to the environments in which our evolutionary ancestors lived. Retrieved from Wikipedia CC BY-SA 3.0 Over an even longer period, encompassing the evolutionary past of our hominid ancestors, gifts have grappled communities together with ties of reciprocity. Times, Sunday Times This journey stretches from our tree-dwelling hominid ancestors to the present. The Times Literary Supplement Recent discoveries in palaeoanthropology allow us to measure how rapidly our hominid ancestors grew up. Times, Sunday Times The plot also involves an alien intelligence creating modern man by improving upon mankind's hominid ancestors. Retrieved from Wikipedia CC BY-SA 3.0 In this well-known tale, a crystalline monolith sent by an alien race precipitates the dawning of intelligence among a group of hominid ancestors of human beings. Retrieved from Wikipedia CC BY-SA 3.0 Even if attentiveness to story was an adaptive trait for our hunter-gatherer ancestors, it may not be for us. Christianity Today Our hunter-gatherer ancestors had to be vigilant against interlopers. Times, Sunday Times Some of these profess themselves adherents of a 'palaeo' or 'stone-age' diet based on what they imagine was the food of our hunter-gatherer ancestors. The Times Literary Supplement Like our hunter-gatherer ancestors, who spent days searching for food and ate only intermittently, we are genetically programmed to adapt to cycles of fasting and feasting. Times, Sunday Times One of the adaptive problems faced by our hunter-gatherer ancestors, particularly females, was being abducted by another band. Retrieved from Wikipedia CC BY-SA 3.0 By the end of the 19th century, the immediate ancestor of modern fencing had developed with its familiar pedagogy and collection of techniques and theory. Retrieved from Wikipedia CC BY-SA 3.0 For example, your immediate ancestor in the tree only puts half of his new recruits in your downline, on average. Retrieved from Wikipedia CC BY-SA 3.0 This possible identification of the immediate ancestor of the living taxon may also rely on stratigraphic information to establish the age of the specimens. Retrieved from Wikipedia CC BY-SA 3.0 Among the main beneficiaries were archosaurs, the immediate ancestors of dinosaurs, which came quickly to dominate the empty lands. Times, Sunday Times Opisthobranchs have undergone detorsion, an evolutionary reversal of the half revolution torsion of their immediate ancestors. Retrieved from Wikipedia CC BY-SA 3.0 Contrary to popular belief, many of our prehistoric ancestors lived past 40, and they developed into experience 'super-providers'. The Sun We do know those prehistoric ancestors of ours were imaginative: the quirk in our brains that turned us into a conscious, creative species had developed. Times, Sunday Times A taste for high-calorie foods might have saved our prehistoric ancestors. Times, Sunday Times Our prehistoric ancestors got high only to take part in religious rituals such as burials. The Sun It was once widely accepted as the missing link between turtles and their prehistoric ancestors. Retrieved from Wikipedia CC BY-SA 3.0 The results showed that most of our primate ancestors had digestive enzymes largely inactive against ethanol. Times, Sunday Times That's 20 times older than other significant fossil finds and the point at which our primate ancestors began first developing the features that would evolve into our own. Times, Sunday Times If our primate ancestors were cast out of the group, they were less likely to make it. Times, Sunday Times In addition, paleoarchaeologists often deal with remains that lie somewhere between their primate ancestors and modern humans. Retrieved from Wikipedia CC BY-SA 3.0 The earliest primate ancestors of modern humans most likely had light skin, like our closest modern relative - the chimpanzee. Retrieved from Wikipedia CC BY-SA 3.0 Using fire wasn't the only foodie trick our primitive ancestors mastered — salted and dried food goes back just as far as cooking on bonfires. The Sun He was a predator who wolfed down visual influences, from primitive ancestors through to his peers. Times, Sunday Times It plugs us right into the fears of our primitive ancestors, being chased by wild animals or rival tribes. Times, Sunday Times There were few signs of improvement among the people since their primitive ancestors. Retrieved from Wikipedia CC BY-SA 3.0 Astronomy was the first science developed by our primitive ancestors thousands of years ago because it measured time. Retrieved from Wikipedia CC BY-SA 3.0 Translations: Chinese: 祖先 Japanese: 先祖 |
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