鲸作为社会性动物,可能需要大规模聚集的刺激来诱导繁殖行为。
Whales being sociable animals probably need the stimulus of sizeable gatherings to induce reproductives behavior.
迄今已知大约70种爬行动物有单性繁殖行为。
Parthenogenesis is so far known to occur in about 70 reptile species.
本试验研究了狍在人工饲养条件下的繁殖行为。
鸟类行为可分为繁殖行为、取食行为、社群行为和空间行为四大类。
The behaviors of birds are divided into four kinds, i. e. , the reproduction behaviors, feeding behaviors, gregarious behaviors and spatial behaviors.
丰富的恐龙蛋(胚胎)化石的新发现为恐龙繁殖行为的研究提供了前所未有的证据。
Well preserved and abundant new dinosaur fossils of eggs and embryos have provided unprecedented new evidence on the reproductive behavior of dinosaur.
通过对这两种结构的比较,说明犁鼻系统的结构差异与鼠类的生活环境和繁殖行为有关。
It is shown that the difference of the structure of vomeronasal system is related with environment and reproduction behavior in rodent.
采用性腺组织切片观察与繁殖行为观测相结合的方法,对温室养殖中华鳖的性腺发育进行研究。
By means of microscopic examination and observation on spawning activities, the gonadal development of Chinese turtle , Trionyx sinensis, cultured in hothouse was investigated.
该书的第一章介绍了一般的饲养知识,包括调养到繁殖状态的技巧,触发繁殖行为的方式等等。
The first chapter of the book contains general husbandry information, with techniques for conditioning and bringing fish into breeding condition and the various ways to trigger breeding activity.
作为繁殖行为的一种表现形式,婚配制度是通过长期进化而形成的,具有种属特异性及可遗传性。
Mating systems, as the expression of breeding behaviors, resulted from evolution with species specific aspects and hereditability.
在申请和维护成员资格,申请者应允诺促进俱乐部的目标并按照本规范的指引来规范其繁殖行为。
In applying for and maintaining membership, applicants agree to further the club's objectives and conduct all their activities in connection with the breed in accordance with this Code of Ethics.
这一注视繁殖行为的研究在一个隔离的唱歌麻雀群中进行,这一麻雀群生活在远离加拿大海岸的蒙大特岛的草原上.
The study looked at breeding behaviour in an isolated population of song sparrows living in grasslands on the island of Mandarte, off the coast of Canada.
虽然研究人员承认研究中的雌蟒有可能是基因突变的怪物,但是他们认为生物学家们应该重新思考爬行动物的繁殖行为。
While researchers admit that the female in the study may have been a genetic freak, they say the findings should press researchers to re-think reptile reproduction.
摘要过去的一段时期以来,有关恐龙繁殖行为的研究令人产生了从未有过的兴奋,并引起了公众的极大关注。
Abstract the study of the reproductive behavior of dinosaur has never produced as much excitement and public attention as in the past period.
摘要过去的一段时期以来,有关恐龙繁殖行为的研究令人产生了从未有过的兴奋,并引起了公众的极大关注。
The study of the reproductive behavior of dinosaur has never produced as much excitement and public attention as in the past period.
白昼短这一点可以影响到鸟类的迁移和繁殖行为,所以,英国的这些鸟类会在后院的梁上繁殖十天,之后才飞往南方。
Shorter days affect migration and breeding behavior, so British birds return to summer breeding grounds about ten days earlier than birds that went south.
如果可以详细定义每次产卵行为发生时的相关影响变数,我们可以更深入的了解环境因子跟繁殖行为之间的调控关系。
Greater insight into the environmental factors that regulate reproductive activity may be gained by determining the relative reproductive investment allocated at each spawning event.
采用瞬时扫描取样法、焦点动物取样法和所有事件取样法对扎龙国家级自然保护区内野生状态下丹顶鹤繁殖行为进行了观察。
The breeding behavior of free living Red crowned Cranes was observed at Zalong Nature Reserve by instantaneous and scan sampling, focal animal sampling and all occurrence recording methods.
本文主要从榕树物候学、榕小蜂繁殖行为学和生态学三个方面展开对西双版纳热带雨林下的歪叶榕和假斜叶榕两种榕树的繁殖机制研究。
This paper presents for the first time information on the reproductive ecology of two dioecious fig species, mainly on their phenology, the reproductive behaviors of associated fig wasps and ecology.
本文主要从榕树物候学、榕小蜂繁殖行为学和生态学三个方面展开对西双版纳热带雨林下的歪叶榕和假斜叶榕两种榕树的繁殖机制研究。
This paper presents for the first time information on the reproductive ecology of two dioecious fig species, mainly on their phenology, the reproductive behaviors of associated fig wasps and ecology.
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