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His theory reconciled a host of diverse kinds of evidence such as the succession of fossil forms in the geological record, the geographical distribution of species, recapitulative appearances in embryology, homologous structures, vestigial organs and nesting taxonomic relationships.

他的理论是一个调和的东道主多样的各种证据,如继承中的化石形成于地质记录,地理分布的物种,重述露面,在胚胎学,同源结构,残留机关和产卵分类关系。

For pinpoint accuracy, the great shearwater must surely be one of the best; it spends the winter in the coastal areas of the north Atlantic and breeds in the south Atlantic, where the completely isolated volcanic island of Tristan da Cunha provides the site for some of its main colonies .

就绝对准确性而言,大剪嘴鸥无疑是佼佼者之一;它在北大西洋的沿海地区越冬,在南大西洋产卵,南大西洋上完全孤立的火山岛特里斯坦达库尼亚群岛成了大剪嘴鸥的一些主要的栖息地之一。

There are two forms of this species: the sockeye, an anadromous form (a marine form that migrates to fresh water for spawning), and the kokanee, a landlocked form (with a much smaller maximum size).

有两种形式的这一物种:在 sockeye、(海洋表单将迁移到淡水的产卵),一个 anadromous 表单和在的 kokanee 内陆表单(具有一个多较小的最大大小)时

To resolve varied and sometimes conflicting accounts of spawning and habitat characteristics for winter flounder Pseudopleuronectes americanus, seasonal patterns in abundance and reproductive condition were investigated in the New York Bight, near the southern edge of their current reproductive range.

探求有关大陆架附近冬季比目鱼的产卵和栖息地特征的种种结论,调查研究了冬季比目鱼的丰度和生殖条件的季节特征,样本用拖网采集于2006年10月到2007年10月。

Anadromous fish were intermediate to marine and freshwater fish (h=0·68 and a=11·3). Results parallel earlier comparatie summaries of allozyme ariation in marine, anadromous, and freshwater fishes and probably are attributable in part to differences in eolutionarily effectie population sizes typifying species inhabiting these realms.

与先前得到的海水鱼类、淡水鱼类、溯河产卵鱼类的等位酶结果相平行,这可能归结于这些栖息在不同水域的种类进化有效群体大小的差异。

Maturation feeding weevils displayed higher anemotaxis responses to -β- pinene, myrene and limonene than those of sexually matured weevils; whereas - carene, which was detected only in volatiles of trunk phloem, elicted more olfactory respones of sexually matured weevils than of maturation feeding weevils.

在华山松枝梢挥发物中含量较高的-β-蒎烯、月桂烯和柠檬烯引起补充营养期华山松木蠹象较大的趋向反应;在华山松树干韧皮部挥发物中含量较高的3--蒈烯则引起交尾产卵期的华山松木蠹象较大的趋向反应。

In the field of biology the paper dicusses mating,parasite,developing,oviposition,etc.of Aphidius gifuensis and effect on its host,also ecologically dicusses its natural enemies and effect of weather,growth of tobacco,insecticide on Aphidius gifuensis.

生物学方面主要论述了烟蚜茧蜂的交配、寄生、发育、产卵、体色、性比、越冬、成蜂寿命及其对寄主生命活动的影响:生态学方面主要论述了烟蚜茧蜂的天敌以及气候因子、烟草长势和化学农药对其的影响。

Any of various long,snakelike,scaleless marine or freshwater fishes of the order Anguilliformes or Apodes,especially Anguilla rostrata of eastern North America or A.anguilla of Europe,that lack pelvic fins and characteristically migrate from fresh water to salt water to spawn.

鳗任一种长的蛇形的无鳞海洋或淡水鱼,尤指产于北美东部的扁平鳗鲡属或欧洲的鳗属,都缺少腹鳍,并且是典型的从淡水中迁居到盐水中产卵

Nov. mainly inhabits those channels such as mahuang channel、gari channel、bori channel、heping channel and dengchi channel. So it belongs to the distribution area extremely narrow type. From May to October 2005 and May to August 2006, 671 specimens collected were used for studies on the reproductive strategies such as reproduction time, spawning type, the ratio and the fecundity, and gonad development and characters of early life history. The main results are as follows: 1.Every year speaking of spawning season the male"s is earlier than female"s slightly.

Nov。仅分布于宝兴河支流东河盐井以上河段,主要分布在蚂蝗沟、嘎日沟、波日沟、和平水域及邓池沟,属于分布区极其狭窄的种类。2005年5月—10月和2006年5月—8月共采集671尾标本,运用常规生物学指标的测定分析法和性腺的组织切片法,以及对成熟亲鱼人工授精获得的胚胎在立体显微镜下活体观察,研究其繁殖期、产卵类型、性比和繁殖力等繁殖策略及性腺发育和早期发育。

Dorsalis could be easily dyed by the specific dyes on different fruit species, methyl blue, basic red and congo red showed the best dyeing effect for Mangifera indica, Psidium guajava and Citrus sinensis respectively, 0.5% was the best concentration for dyeing.

筛选出甲基蓝、藏红和刚果红作为芒果、番石榴和夏橙的最适染色剂,各种染色剂在浓度为0.5%时染色效果较佳,同时对持续冷藏保存后的水果上的产卵孔仍然具有较高的染色率。

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