| 单词 | fossil |
| 释义 | fossil (fɒsəl ) Word forms: fossils countable noun A fossil is the hard remains of a prehistoric animal or plant that are found inside a rock. The fossils in question have their own long and complex history. Synonyms: fossilized remains, remains, petrified remains, impression Collocations: fish fossil A 50 million year old fish fossil was discovered. Retrieved from Wikipedia CC BY-SA 3.0 In addition to articulated fish fossils with their scales still in place, the site contains shell fragments from seagoing mollusks called ammonites. Retrieved from Wikipedia CC BY-SA 3.0 There are significant amounts of fish fossils there. Retrieved from Wikipedia CC BY-SA 3.0 Fish fossils include tui chub and several salmon species. Retrieved from Wikipedia CC BY-SA 3.0 An amateur fossil hunter has found the world's oldest spider's web, estimated to have been spun 140 million years ago. Times, Sunday Times I'm in no way a professional fossil hunter. Times, Sunday Times It was not as daft as it first sounded, for a local fossil hunter recently unearthed the most complete iguanodon skeleton ever found. The Sun I became an avid fossil hunter with my most famous discovery being the finding of the first complete plesiosaurus skeleton. Times, Sunday Times We now know that the story of human evolution sought by the fossil hunters played out over millions of years. Times, Sunday Times My tool kit for fossil hunting contains rock hammers, chisels, protective glasses, a loupe, my notebook, various kinds of glue, and packing material and crates. Retrieved from Wikipedia CC BY-SA 3.0 Learn about fossil hunting and collect your own. Times, Sunday Times Fossil hunting was in fashion in the early 19th century among the well-to-do in the same way as stamp collecting. Times, Sunday Times The museum offers activities including nature walks and fossil hunting in the summer. Retrieved from Wikipedia CC BY-SA 3.0 The undeveloped park features hunting, fishing, hiking, bird watching, and fossil hunting. Retrieved from Wikipedia CC BY-SA 3.0 It contains public exhibits representing almost every type of fossil organism. Retrieved from Wikipedia CC BY-SA 3.0 Fossil organisms which are related to present-day parasites often possess the morphological features associated with a parasitic lifestyle, such as blood-feeding mouthparts. Retrieved from Wikipedia CC BY-SA 3.0 As knowledge has increased, paleontology has developed specialized sub-divisions, some of which focus on different types of fossil organisms while others study ecology and environmental history, such as ancient climates. Retrieved from Wikipedia CC BY-SA 3.0 With the right specimens, experts can start to color in the fossil record. 2019 , 'The Colors of Dinosaurs Open a New Window to Study the Past', Smithsonian The same trends are likely to exist in reptiles, amphibians and fish, but the study focused on mammals because of their rich fossil record. Times, Sunday Times (2010) How and why whales got so big has remained a mystery until now, in part because of the challenges of interpreting an incomplete fossil record. Smithsonian Insider (2017) These reconstructions are based upon the physical clues that are preserved in the fossil record. Christianity Today (2000) We know it from the patterns that show up in our curves of evolution from the fossil record. EXTINCTION: Evolution and the End of Man (2002) A new species of huge dinosaur estimated to measure more than 100ft long has been found amid a lost world of fossil remains. Times, Sunday Times Other fossil remains suggest a gradual shift from four-winged to two-winged flight among birds. Times, Sunday Times The fossil remains of an adult and two young have provided the first evidence of burrowing behaviour among dinosaurs. Times, Sunday Times The fossil remains, left, have been dated to between 42,000 and 38,500 years ago. Times, Sunday Times It has been argued that the few fossil remains do not represent a genuine species, and instead belong to some other form of big cat. Retrieved from Wikipedia CC BY-SA 3.0 Additional fossils, including fragments of gastralia (belly ribs) belonging to the same specimen, were later found by teams re-examining the original fossil site. Retrieved from Wikipedia CC BY-SA 3.0 The fossil site was later abandoned due to poisonous gases. Retrieved from Wikipedia CC BY-SA 3.0 Most fossil sites require concentrated efforts to find a representative sample of the fossils. Retrieved from Wikipedia CC BY-SA 3.0 The known material represents six individuals from three fossil sites. Retrieved from Wikipedia CC BY-SA 3.0 There are a large number of different fossil sites spread throughout the state. Retrieved from Wikipedia CC BY-SA 3.0 This book addressed not only extant, but also fossil species. Retrieved from Wikipedia CC BY-SA 3.0 Currently, about 85 extant and four fossil species are known. Retrieved from Wikipedia CC BY-SA 3.0 About 200 species have been described, including 18 fossil species. Retrieved from Wikipedia CC BY-SA 3.0 Two fossil species are also recognised, each belonging to a separate genus. Retrieved from Wikipedia CC BY-SA 3.0 Several fossil species are known, including two extinct families. Retrieved from Wikipedia CC BY-SA 3.0 Fossils suggest the 29ftlong monster had delicate scales and nerve endings round the snout and jaws. The Sun Previously discovered fossils suggest a dense, towering, sweltering forest landscape. Times, Sunday Times Differences among recovered fossils suggest that there were other species, however. Retrieved from Wikipedia CC BY-SA 3.0 Discovery of these fossils suggest that fungi developed symbiotic partnerships with photoautotrophs long before the evolution of vascular plants. Retrieved from Wikipedia CC BY-SA 3.0 The fossils suggest that it was an arboreal/terrestrial carnivore, which possibly hunted in packs. Retrieved from Wikipedia CC BY-SA 3.0 This time, the team found no new hominid fossils. Smithsonian Their studies focus on hominid fossils ranging from 15,000,000 to 10,000 years ago. Retrieved from Wikipedia CC BY-SA 3.0 Since circa 1991, seven significant hominid fossils have been discovered, and are currently dated to circa 160,000 years ago. Retrieved from Wikipedia CC BY-SA 3.0 No hominid fossils were discovered. Retrieved from Wikipedia CC BY-SA 3.0 Carbon-dating determined the mandible was between 34,000 and 36,000 years old, making it the oldest, directly dated modern human fossil. Retrieved from Wikipedia CC BY-SA 3.0 Most of these perturbations are tied either directly or indirectly to human fossil fuel combustion, fertilizer, and industrial activity. Retrieved from Wikipedia CC BY-SA 3.0 It takes its name from several human fossil footprints. Retrieved from Wikipedia CC BY-SA 3.0 He also argued that human fossils could be assigned a date, a race, and an evolutionary grade. Retrieved from Wikipedia CC BY-SA 3.0 Tattersall believed that existing literature was not an adequate resource for comparing human fossils because of the many terminological variations. Retrieved from Wikipedia CC BY-SA 3.0 Portions of this include marine fossils in the geologic record. Retrieved from Wikipedia CC BY-SA 3.0 If you look closely, you can find preserved marine fossils within the outer wall of the facade. Retrieved from Wikipedia CC BY-SA 3.0 Boulders as big as buses are mixed with marine fossils and mud. Retrieved from Wikipedia CC BY-SA 3.0 Marine fossils are mostly used to measure extinction rates because of their superior fossil record and stratigraphic range compared to land organisms. Retrieved from Wikipedia CC BY-SA 3.0 There are various modules that are not interactive, like the tank of jellyfish, the small exposition of marine fossils, and the aquarium of sea horses. Retrieved from Wikipedia CC BY-SA 3.0 These are the most commonly found type of plant fossil. Retrieved from Wikipedia CC BY-SA 3.0 The effects of mass extinctions on plants are somewhat harder to quantify, given the biases inherent in the plant fossil record. Retrieved from Wikipedia CC BY-SA 3.0 Plant fossils show larch, pine and spruce trees surrounded the pond, and birch and alder grew nearby. Globe and Mail The siltstone beds often contain poorly preserved plant fossils. Retrieved from Wikipedia CC BY-SA 3.0 The coal seams contain an abundance of insect, fish and plant fossils. Retrieved from Wikipedia CC BY-SA 3.0 Tonight's edition sees celebrity photographs and a rare fossil cause excitement. Times, Sunday Times If that’s indeed the case, this rare fossil could represent an extremely ancient instance of parental care in amniotes, the group that includes today’s mammals, birds and reptiles. Retrieved from Wikipedia CC BY-SA 3.0 These very rare fossils, which include a gomphothere (elephant-like mammal), rodent, felid and small camelid, and were collected from 10 to 12-million-year-old riverine and near-shore lake deposits. Retrieved from Wikipedia CC BY-SA 3.0 We've been able to piece together many of these changes thanks to transitional fossils. Retrieved from Wikipedia CC BY-SA 3.0 We know much of the remarkable evolutionary story of whales thanks to transitional fossils. Retrieved from Wikipedia CC BY-SA 3.0 And given that every species alive today has fossils related to its ancestry, that’s a lot of transitional fossils. Retrieved from Wikipedia CC BY-SA 3.0 The transition itself can only be illustrated and corroborated by transitional fossils, which never demonstrate an exact half-way point between clearly divergent forms. Retrieved from Wikipedia CC BY-SA 3.0 Thus, the transition itself can only be illustrated and corroborated by transitional fossils, but it will never be known in detail. Retrieved from Wikipedia CC BY-SA 3.0 About 150 different species of marine invertebrate and vertebrate fossil have been found at this site. Retrieved from Wikipedia CC BY-SA 3.0 No dinosaur or other vertebrate fossils have yet been unearthed. Times, Sunday Times In 1990, vertebrate fossils were unearthed from lacustrine silts and sands at the site. Retrieved from Wikipedia CC BY-SA 3.0 The unit contains calcareous nodules of varying sizes as well as poorly indurated conglomerate with vertebrate fossils. Retrieved from Wikipedia CC BY-SA 3.0 The disused quarry has yielded a wide variety of remains of vertebrate fossils, amongst which the early reptiles are particularly well represented. Retrieved from Wikipedia CC BY-SA 3.0 The well-preserved fossil remains include a nearly complete skull, mandibles, vertebrae, ribs, scapulae, and a radius. Retrieved from Wikipedia CC BY-SA 3.0 Its tendency to roost in rock crevices may explain why so many well-preserved fossil specimens have been found. Retrieved from Wikipedia CC BY-SA 3.0 The well-preserved fossil showed that this dinosaur bore a coat of rudimentary furlike feathers. Retrieved from Wikipedia CC BY-SA 3.0 Traces of a criss-cross pattern composed of collagen fibers have been observed in the surface of some well-preserved fossils. Retrieved from Wikipedia CC BY-SA 3.0 Larger, well-preserved fossils are relatively rare. Retrieved from Wikipedia CC BY-SA 3.0 Translations: Chinese: 化石 Japanese: 化石 |
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