| 单词 | facultative |
| 例句 | “I’m a facultative vegetarian,” my friend said, when asked whether she’d eat our Thanksgiving turkey. The unexpected delight of the parsnip 2015-12-03T05:00:00Z The key, McLaughlin said, is to find plants that ecologists call facultative, meaning they are adaptable to temporary extremes. Many rain gardens fall flat. This one shows how it’s done. 2018-07-02T04:00:00Z "Certain temperature conditions may foster all-female populations, which can be overcome through facultative parthenogenesis," he said. Why a crocodile’s ‘virgin birth’ isn’t a miracle 2023-06-10T04:00:00Z Some species, termed facultative parthenogens, alternate between sexual and asexual reproduction. Crocodile’s ‘Virgin Birth’ Is a First for Science’s History Books 2023-06-09T04:00:00Z Animals that exhibit facultative migration can choose to migrate or not. Biology for AP Courses 2022-06-09T00:00:00Z On the issue of facultative reinsurance, whereby it insures bundles of risk in a job lot, Swiss Re said it expected to finalise a policy for the oil and gas sector in 2023. Swiss Re cuts fossil fuel cover for oil, gas to help climate 2022-03-17T04:00:00Z It’s known as “facultative parthenogenesis,” said scientists at the zoo, meaning “she reproduced without contribution from a male.” ‘Life found a way’: The National Zoo welcomes a startling addition 2019-06-07T04:00:00Z They are what is considered a “facultative scavenger”—they eat carrion when it’s available but are quite capable of hunting their own prey when it’s not. Wolves and Wolverines: A Complicated Relationship 2019-02-13T05:00:00Z One reason for optimism is that these dually capable plants already exist in nature. Clusia pratensis is what is known as a facultative CAM. Does Agave Hold the Secret to Drought-Resistant Farming? 2015-07-13T04:00:00Z Note that there is no clear line that differentiates facultative carnivores from omnivores; dogs would be considered facultative carnivores. Biology for AP Courses 2022-06-09T00:00:00Z These results suggest a molecular basis for the classical concept of ‘facultative heterochromatin’ formation to silence blocks of genes as cells specialize. Comparative analysis of metazoan chromatin organization : Nature : Nature Publishing Group 2014-08-26T04:00:00Z “We still lack data to understand when and why facultative parthenogenesis happens in the wild,” says Watts. Virgin Births Seen in Wild Vipers 2012-09-12T19:45:09.353Z Scientists believe that facultative parthenogenesis is more common in some lineages such as reptiles and sharks. Virgin snake births found in wild 2012-09-11T23:45:09Z If a parasite cannot exist outside animal tissues, it is an obligatory parasite; if it can, it is a facultative saphrophyte. Essays In Pastoral Medicine 2012-03-05T03:00:09.993Z Sketch a graph that predicts the distribution of aerobic, facultative anaerobic and obligatory anaerobic bacteria along the length of the entire intestine based on these parameters. Biology for AP Courses 2022-06-09T00:00:00Z —Some fungi, though able to live as saprophytes, occasionally enter the body of living plants, and are thus termed facultative parasites. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3 "Frost" to "Fyzabad" 2011-08-15T02:00:28.473Z Warren Booth, a molecular ecologist at the University of Tulsa in Oklahoma, now reports the first known case of wild facultative parthenogenesis, publishing the today in Biology Letters. Virgin Births Seen in Wild Vipers 2012-09-12T19:45:09.353Z In six weeks' time binocular single vision was again restored; the facultative divergence = 0. Schweigger on Squint A Monograph by Dr. C. Schweigger 2011-03-22T02:00:22.370Z The greater number of the organisms are facultative anærobes and oxygen is not necessary. 32Again, koumiss put up in bottles on the first day is regularly shaken although air is excluded. The Bacillus of Long Life a manual of the preparation and souring of milk for dietary purposes, together with and historical account of the use of fermente While some species grow strictly under one condition or the other, and hence are obligate aerobes or anaerobes, others possess the ability of growing under either condition and are known as facultative or optional forms. Outlines of Dairy Bacteriology, 8th edition A Concise Manual for the Use of Students in Dairying Similarly we are unable to divide Schizomycetes sharply into parasites and saprophytes, since it is well proved that a number of species—facultative parasites—can become one or the other according to circumstances. Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 2 "Baconthorpe" to "Bankruptcy" Booth says that the finding removes the “prevailing dogma” that facultative parthenogenesis occurs only when females are isolated. Virgin Births Seen in Wild Vipers 2012-09-12T19:45:09.353Z The facultative divergence does not amount to more than 3°; even by convergence to a distance of 4 mtr. prisms of 3° only are overcome. Schweigger on Squint A Monograph by Dr. C. Schweigger 2011-03-22T02:00:22.370Z In some cantons the referendum is obligatory, in others it is "facultative," or optional. The Governments of Europe The great majority of milk bacteria are either obligate or facultative aerobes. Outlines of Dairy Bacteriology, 8th edition A Concise Manual for the Use of Students in Dairying Finally, they so far unwind their bonds and evolve their facultative potencies as to attain the rank of rational minds in the grade of humanity. The Destiny of the Soul A Critical History of the Doctrine of a Future Life The great majority of bacteria, however, while they prefer to have oxygen, are able to live without it, and are called facultative anaërobes. Manual of Surgery Volume First: General Surgery. Sixth Edition. On correction of the myopia the facultative divergence amounts to = 26°. Schweigger on Squint A Monograph by Dr. C. Schweigger 2011-03-22T02:00:22.370Z The other, of which we took notice in a former article, was the "liberté facultative" of shaping our scientific conceptions to gratify the demands not solely of objective truth, but of intellectual and aesthetic suitability. Auguste Comte and Positivism The great majority of the bacteria in the cream belong to the facultative class, and are able to grow under conditions where they are not in direct contact with the air. Outlines of Dairy Bacteriology, 8th edition A Concise Manual for the Use of Students in Dairying Our thoughts are subjective reflections of His, modified by the contents of our facultative constitution and the peculiarities of our historic experience. The Destiny of the Soul A Critical History of the Doctrine of a Future Life Many are exclusively parasitic or saprophytic, and many are facultative, both conditions of living being possible. Disease and Its Causes Moreover, the extent of the "facultative" divergence attainable by prisms shows a considerable latitude. Schweigger on Squint A Monograph by Dr. C. Schweigger 2011-03-22T02:00:22.370Z It must, however, clearly be recognized that, unlike the control of procreation by methods for preventing conception, facultative abortion has not yet been embodied in our current social morality. Studies in the Psychology of Sex, Volume 6 Sex in Relation to Society Three days afterwards single vision, facultative divergence = prism 5°; in the trial of convergence, equalization by means of prism 8°. Schweigger on Squint A Monograph by Dr. C. Schweigger 2011-03-22T02:00:22.370Z We frequently find very considerable degrees of facultative divergence as a casual symptom, without the occurrence of manifest divergence or the presence of asthenopic troubles. Schweigger on Squint A Monograph by Dr. C. Schweigger 2011-03-22T02:00:22.370Z Most of the bacteria which produce disease are facultative, that is, they grow either with or without oxygen; but certain of them, as the bacillus of tetanus, are ana�robic. Disease and Its Causes I have seen this particularly in those cases where facultative divergence also was greater than usual. Schweigger on Squint A Monograph by Dr. C. Schweigger 2011-03-22T02:00:22.370Z We have seen that the deliberate restraint of conception has become a part of our civilized morality, and that the practice and theory of facultative abortion has gained a footing among us. Studies in the Psychology of Sex, Volume 6 Sex in Relation to Society |
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