| 单词 | bilateral symmetry |
| 例句 | In contrast to radial symmetry, which is best suited for stationary or limited-motion lifestyles, bilateral symmetry allows for streamlined and directional motion. Fundamentals of Biology 2015-01-01T00:00:00Z True animals are divided into those with radial versus bilateral symmetry. Concepts of Biology 2013-04-25T00:00:00Z Lancelet and human are members of a superphylum of animals with bilateral symmetry, Deuterostomia. Biology for AP Courses 2022-06-09T00:00:00Z Animals with bilateral symmetry typically exhibit cephalization, or a concentration of sense organs and nerve cells in their heads. Miller & Levine Biology 2018-01-01T00:00:00Z It didn’t help that they lacked bilateral symmetry, that their long stalks with blobby appendages appeared to human eyes to be distributed totally randomly. How we know they have faces 2019-07-23T04:00:00Z Animals with bilateral symmetry that live in water tend to have a fusiform shape: this is a tubular shaped body that is tapered at both ends. Fundamentals of Biology 2015-01-01T00:00:00Z Some animals have radial symmetry, and some animals have bilateral symmetry. Concepts of Biology 2013-04-25T00:00:00Z The sponge is asymmetrical, the sea anemone has radial symmetry, and the goat has bilateral symmetry. Biology for AP Courses 2022-06-09T00:00:00Z Another particularly lovely sequence takes advantage of the bilateral symmetry of the book. Review: ‘Human Archipelago’ shines light on refugees and our shared humanity 2019-05-02T04:00:00Z Some creatures exhibit bilateral symmetry, others the trifold symmetry of the Mercedes-Benz logo; still others resemble heraldic shields, or are leafy with a repeating, fractal structure. This Australian farmer is saving fossils of some of the planet’s weirdest, most ancient creatures 2019-03-28T04:00:00Z They show bilateral symmetry and remarkable contractile properties. Fundamentals of Biology 2015-01-01T00:00:00Z Another type of Xenoturbella, a genus of a "simple animal with bilateral symmetry," was also spotted. 5 new sea creatures discovered in Costa Rica 'amaze' scientists 2019-02-13T05:00:00Z You may not consider yourself similar to a fly, worm, mouse or zebrafish, but we sit comfortably with all these traditional lab animals in the same group: creatures with bilateral symmetry. Friday briefing: To really understand animals, embrace the ctenophores, the sponges and the placozoans 2018-08-23T04:00:00Z I showed that for certain shapes—for kites, which are quadrilaterals with bilateral symmetry—you can escape. The Hidden Depth in Math's Simple Puzzles 2018-01-17T05:00:00Z The bilateral symmetry of the interior looks both unnerving and yet completely normal at the same time. GM will make an autonomous car without steering wheel or pedals by 2019 2018-01-12T05:00:00Z These are the only echinoderms that demonstrate “functional” bilateral symmetry as adults, because the uniquely extended oral-aboral axis compels the animal to lie horizontally rather than stand vertically. Fundamentals of Biology 2015-01-01T00:00:00Z The secret may lie in their bilateral symmetry - meaning there’s only one way to fold them in half so that one side matches the other. ‘Science and Beauty’ explains why bugs, humans love orchids 2015-01-24T05:00:00Z In a human embryo, sonic hedgehog is involved with establishing the bilateral symmetry of the brain, skeleton and other organs. Raw Data: A Tumor, the Embryo’s Evil Twin 2014-03-17T20:26:20Z This form leads us directly to that kind of symmetry which is predominant in the animal kingdom and which is called bilateral symmetry. The Contemporary Review, Volume 36, October 1879 2012-04-18T02:00:17.060Z A division of Mollusca remarkable for the bilateral symmetry of the organs and the arrangement of the nerves. Webster's Unabridged Dictionary 2012-03-24T02:00:23.513Z Recall that animals that possess bilateral symmetry can be divided into two groups—protostomes and deuterostomes—based on their patterns of embryonic development. Fundamentals of Biology 2015-01-01T00:00:00Z In some of the schemes the human traits conceived were so numerous that the bilateral symmetry and functions of the brain were ignored, and the two sides of the skull were assigned quite different functions. Vocational Psychology: Its Problems and Methods 2012-02-24T03:00:25.813Z "This model of animal relationships calls for the least number of origins of bilateral symmetry," says Bengtson. Ancient sea jelly makes tree of life wobble 2011-09-07T23:45:07.457Z All worms, insects, mollusks, fishes, birds, reptiles, and beasts, are examples of creatures with bilateral symmetry. The Contemporary Review, Volume 36, October 1879 2012-04-18T02:00:17.060Z Another basis for classification in this type, which gives the same result, is the indication of a bilateral symmetry in some of the orders. Seaside Studies in Natural History Marine Animals of Massachusetts Bay. Radiates. 2011-03-07T03:00:13.343Z The elongation of the mouth and stomodaeum confer a bilateral symmetry on the body of the zooid, which is extended to other organs of the body. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 2 "Anjar" to "Apollo" A distinctive feature of the Cephalopoda is their bilateral symmetry and the absence of anything like the torsion of the visceral mass seen in the Anisopleurous Gastropoda. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 6 "Celtes, Konrad" to "Ceramics" Their bilateral symmetry is obviously to be regarded as primitive, and the nervous system shows an original condition from which that of the asymmetrical twisted Gastropods can be derived. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 2 "Chicago, University of" to "Chiton" In all such objects we therefore require bilateral symmetry. The Sense of Beauty Being the Outlines of Aesthetic Theory Oxidation within the body is simply one of several important properties of food, as bilateral symmetry is one of several important characteristics of a bird.” Alcohol: A Dangerous and Unnecessary Medicine, How and Why What Medical Writers Say In the whorl there is an illustration of radiating symmetry, while in the spiral arrangement there is a transition to the bilateral symmetry. Vegetable Teratology An Account of the Principal Deviations from the Usual Construction of Plants It is possible to have bilateral symmetry without a metameric arrangement of parts, as in the mussel and the cuttle-fish; but metameric segmentation without complete or reduced bilateral symmetry does not occur. Text Book of Biology, Part 1: Vertebrata But worms began the profitable habit of moving with one end of the body always in front, and from worms to man the great majority of animals have bilateral symmetry. The Outline of Science, Vol. 1 (of 4) A Plain Story Simply Told The bilateral symmetry has arisen in connection with this mode of locomotion and is thus a mark of important progress. The Whence and the Whither of Man A Brief History of His Origin and Development through Conformity to Environment; Being the Morse Lectures of 1895 A close examination of numerous striped or spotted species, as tigers, leopards, jaguars, zebras, etc., showed that the bilateral symmetry was not exact, although the general effect of the two sides was the same. Darwinism (1889) In Radiates we have no prominent bilateral symmetry, as in all other animals, but an all-sided symmetry, in which there is no right and left, no anterior and posterior extremity, no above and below. The Atlantic Monthly, Volume 09, No. 51, January, 1862 With them is introduced that character of bilateral symmetry, or division of parts on either side of a longitudinal axis, that prevails throughout the Animal Kingdom, with the exception of the Radiates. The Atlantic Monthly, Volume 09, No. 52, February, 1862 And with the establishment of bilateral symmetry must be associated the establishment of head-brains, the beginning of which is to be found in some simple worm-types. The Outline of Science, Vol. 1 (of 4) A Plain Story Simply Told In Articulates there is also a longitudinal axis of the body and a bilateral symmetry in the arrangement of parts; the head and tail are marked, and the right and left sides are distinct. The Atlantic Monthly, Volume 09, No. 51, January, 1862 |
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