查询词典 sexual reproduction

First are those individuals or couples who lack the gametes needed for sexual reproduction.

首先是那些缺少有性生殖所必须的配子的个人和夫妻。

Here we report the simulation of populations with sexual reproduction, mutation and dispersal.

本期Nature介绍了中性理论的一种新形式，增添了将有性生殖、突变和扩散等因素考虑在内的内容。

Fumigatus to engage in sexual reproduction is highly significant in understanding the biology and evolution of the species.

尽管越来越多的证据表明，"烟曲霉"存在重组和基因流动，但此前在该物种中只观察到无性生殖。

Scientists currently have developed several competing hypotheses to explain the evolution of sexual reproduction.

目前，科学家们已形成了几种相互竞争的假说来解释有性生殖的进化。

Buddhists already believe in non-sexual reproduction, for example, since Buddhism teaches that life can come into being through supernatural phenomenon like spontaneous generation.

佛教徒已经承认无性再生的理论，例如，因为佛教教会于信徒生命能通过超自然现象进入生物而自然发生一样。

Eventually the seas were filled with exotic creatures some with stalky eyes, grasping arms and other bizarre appendages thanks to the advent of sexual reproduction.

最后，海洋里满是怪异的生灵——有一些有茎眼、善捕的爪子；另一些配着奇怪的附件——这要归因于有性繁殖的出现。

Tapeworm is a kind of sexual reproduction, although it involves only one parent and rare variation occurs in offspring.

自花传粉或在动物的自我交配，虽然只牵涉一个亲本并子代之间少有差异，但它却是一种有性繁殖。

Assortative mating Sexual reproduction in which the pairing of male and female is not random.

选型交配：有性生殖中配对的雌雄双方不足随机交配的现象。

Bombus trifasciatus is the dominant pollinator. The nectar robber Amegilla caldwelli may be the most important biological factor which influences the sexual reproduction of I.

考氏无垫蜂作为盗蜜者，可能是除正常访花者之外，对华凤仙的有性繁殖影响最大的生物因素。

The results demonstrated that sexual reproduction capacity between isolates derived from ascospores and conidia were different, and at least partially determined by their genetic differences.

结果表明，由子囊孢子和分生孢子萌发获得的菌株的有性生殖能力具有显著差异，这可能决定于不同的遗传特性。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。