有人认为,与其他灵长类动物相比,人类就更加幼形化(pedomorphic,传统理论认为越幼形化的物种在进化上越先进)。
Humans are said by some to be pedomorphic compared with other primates.
豪特教授解释“因为鲨鱼在水下生存并且很多都喜欢在黄昏和拂晓活动,所以他们生活在相对比较昏暗的环境中。 就如人们在夜晚利用道路反射的光线照明一样,但有一些鲨鱼在一天所有的时间内活动且他们视网膜比一些夜间出没的肉食动物和深水动物拥有更多的视锥细胞和少量的棒形细胞”。
Dr Hart explained that, because sharks live underwater and many are most active at dawn and dusk, they are operating in relatively dim light.
这是些无害的蛛形纲动物,跳起的高度能达自身高度的六倍。在阳光明媚的日子,你可以在草丛中或房屋的墙壁上找到它们的踪影。
The harmless arachnids, which are capable of jumping up to six times their own height, can be found in grassy meadows and on the walls of houses on sunny days.
患有这种恐惧症的人会在那些他们自认为有大量蛛形类动物出没的地方焦躁不安,而这种举动在旁人看来是很不可理喻的。
People who suffer from this phobia are extremely ill at ease in places they believe to be infested with arachnids and even though the fear might seem completely irrational to others.
一种对于蜘蛛以及蛛形类动物如蝎子的恐怖感是这种恐惧症的来源所在。
An unusual fear caused by spiders and other arachnids like scorpions, triggers this kind of phobia.
然而,这些秋季的蛛形纲动物提供了一项超乎寻常的服务,那就是吃掉剩余的缓慢爬着并擅自占领你家的蜘蛛——它们特别喜欢衣蛾。
However, one great service these autumnal arachnids provide is to eat the rest of the creepy crawling squatters in your home - they are particularly fond of clothes moths.
这种叫作牙形刺的动物长有数排相互咬合的圆锥状利牙,像钉耙一样将猎物“耙”入口中。
The animals, called conodonts, possessed rows of sharp, interlocking cone-shaped teeth that raked prey into their mouths.
“情况不错”,这只史前无脊椎动物表示,在它胸尖有一组微小的六角形小孔用来探查他周围的环境。
"Things are looking mighty fine," announced the prehistoric invertebrate, taking measure of his surroundings through a series of small, hexagonal eyelets located at the tip of his thorax.
狼蛛的这一特性也挑战了人类对蛛形纲动物及无脊椎动物的认知。
This spider challenges what we thought we knew about arachnids and invertebrates.
把这种动物形容为熟悉物种的大杂烩最恰当不过了:鸭子(喙形嘴和有蹼的脚),海狸(尾巴),和水獭(身体和毛皮)。
The animal is best described as a hodgepodge of more familiar species: the duck (bill and webbed feet), beaver (tail), and otter (body and fur).
而在市郊,发现很多小动物死去,是因 “被四方形利刃捅过的伤口”。
And in the suburbs, small animals are turning up dead, finished off “by clean edged rectangular stab wounds.”
该公司已经在德文郡的佩恩顿动物园制作了一个100平米的立体农场的样板,它主要生产能快速再生的叶形蔬菜,像莴苣,这是为动物园的动物们准备的食物。
The company already has a 100-square-metre working prototype at Paignton Zoo in Devon, producing rapid-cycle leaf vegetable crops, such as lettuce, for the zoo’s animals.
已经灭绝了6500万年之久的菊石是一种带有多室螺旋状外壳的海洋头足类动物,其小室之间的阻隔即缝合线就是一种复杂的分形曲线。
Extinct for 65 million years, ammonites were Marine cephalopods that built chambered spiral shells. The walls between these Chambers, called sutures, were complex fractal curves.
6个帐篷形的房间有着可以生物降解的化学洗手间,太阳能电源和私人走廊——完美的野生动物观赏地。
Six tented rooms have biodegradable chemi-loos, solar-powered electricity and private verandahs - perfect for wildlife watching
样式和意象因地而异,从人类和动物形体的自然和风格化描绘到神秘生物、螺旋形、圆形以及抽象的图案都有。
Styles and imagery vary by location, from naturalistic and stylized representations of human and animal forms to mythical beings, spirals, circles, and abstract motifs.
了解如何调整完善变形体,动画任意多边形步行周期,两足动物的人群使用的工具。
Learn how to adjust physique for perfect deformation, animate a freeform walk cycle, and use crowd tools for bipeds.
尽管它看起来部分脊形,外壳之间开口,像甲壳动物,室内空间断断续续,在没有规定领域的地方是广阔的区域。
Though it seems to be the part ridge form by an opening between shell from shell like a crustacean and the intermittent internal space, there is the expanse where territory isn't prescribed.
水草缸,养鱼缸池塘、碗形物或其它盛水的围护物,在其中蓄养活鱼和其它水族动物植物。
A tank, bowl, or other water-filled enclosure in which living fish or other aquatic animals and plants are kept.
原始氏族和部落人制作,图案有像形字的写实风格特征,包括动物、车马、人物和星相图。
By primitive clan and tribal peoples, these are of pictographic nature characterized by realism and, include animals, chariots, people and star constellations.
对于该药的研究,笔者做了四项动物实验及对人体蠕形螨的药敏实验、抗菌实验等。
And we have carried out four kinds of animal experiments and the drug sensitivity test as well as antiseptic test of human body's vermiform mite.
结论豚鼠可作为研究形觉剥夺性近视的一种经济有效的哺乳动物模型。
Conclusion Guinea pig could be used as an effective and economical model of mammal in form deprived myopia study.
和大部分爬行动物不同,它是一种大形的无颞窝爬行动物,它靠身子下面的脚来支撑它庞大的身躯。
It was a large anapsid reptile that, unlike most reptiles, held its legs underneath its body to support its great weight.
鼹形鼠:一种毛皮的,短肢、无尾瞎鼠,科的打洞的啮齿动物之一,发现于东欧和中东。
Any of several furry, short-limbed, tailless burrowing rodents of the genus Spalax, found in eastern Europe and the Middle east.
任一种海栖软体动物,如滨螺,长有螺旋形的壳。
Any of various Marine gastropods, such as a periwinkle, having a spiral shell.
右旋的软体动物的螺形外壳上的螺线顺时针螺旋即顶点向上,面对观察者时,螺线向。
Of or relating to a gastropod shell that coils clockwise and has its aperture to the right when facing the observer with the apex upward.
对江西省信丰县铁石口剖面晚二叠世长兴阶至铁石口阶下部的牙形石动物群有了新的认识。
A detailed research has been worked on the Late Upper Permian conodont fauna of Tieshikou section in Xinfeng area, Jiangxi Province.
对江西省信丰县铁石口剖面晚二叠世长兴阶至铁石口阶下部的牙形石动物群有了新的认识。
A detailed research has been worked on the Late Upper Permian conodont fauna of Tieshikou section in Xinfeng area, Jiangxi Province.
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