Reproduction from an unfertilized egg can happen in other animals such as sharks and bees.

鲨鱼和蜜蜂等其他动物未精的卵子也可以进行繁殖。

It's a product of parthenogenesis which means it was born from an unfertilized egg.

这种繁殖叫孤雌生殖这就是说它由没有过精的卵孵化而来。

In parthenogenesis, an embryo develops from an unfertilized egg cell that doubles its own chromosome count.

在孤雌生殖中，胚胎由未精的卵细胞在染色体数目翻倍后发育而来。

Most birds don't want to lay unfertilized eggs because unfertilized eggs is a lot of energy and resources.

大部分鸟不想下未精的鸡蛋，因为未精的鸡蛋是大量的能量和资。

There are birds that lay unfertilized eggs, but as part of a bigger clutch of eggs are fertilized eggs.

确实有下未精的蛋，但是是作为更多的精的蛋的一部分。

Chickens that lay unfertilized eggs have been manipulated hormonally, generally, to produce eggs that are unfertilized.

下未精的蛋的鸡荷尔蒙操纵才产下未精的蛋。

They must ensure that they are in good health, well-fed, and have plenty of nourishment for their unfertilized eggs.

它们要保证自己身体健康，营养充足，必须要为自己的未精卵摄取大量的营养。

It starts with an unfertilized egg cell, added to a blob of yolk, and squeezed down a stretchy tube called an oviduct.

它始于将未精的卵细胞添加到一团卵黄并挤压一个称为输卵管的弹性管。

So, the mother fattens herself up on this extra prey and stores the nutrients in her extra (unfertilized) eggs.

因此，母亲靠这个额外的猎物使自己变胖，并将营养物质储存在她额外的（未精的）卵中。

A tilled, fertilized, watered, weeded garden provides growing conditions very different from those on a dry, unfertilized hillside.

耕耘、施肥、浇水、除草的花园所提供的生长条件与干燥、未施肥的山坡上的生长条件非不同。

If an egg arrives at the uterus unfertilized, these hormone levels naturally drop, triggering contractions and the shedding of the uterine lining in menstruation.

若卵子抵达子宫时未精，这些激素水平自然下降，引发子宫收缩及内膜脱落， 即月经来潮。

See how it is produced after the egg has been released and then drops off if the egg does not embed in the uterus or if the egg is unfertilized.

看看它是如何在卵子释放后产生的，如果卵子没有嵌入子宫或卵子未精，它就会脱落。

Each time ovulation doesn't result in a healthy pregnancy, the womb gets rid of its endometrial lining, along with any unfertilized eggs, sick, dying, or dead embryos.

每次排卵若未能实现健康妊娠，子宫便会排除其子宫内膜，同所有未精卵、病态、濒死或已死亡的胚胎一并清理。

Over the next three weeks, the new queen relies on a separate batch of unfertilized eggs to nourish both herself and her brood, losing half her body weight in the process.

新蚁后靠另一批未精的卵来养育自己和幼卵，这个过程中，她的体重轻了一半。

For example, Crab Spider mothers lay unfertilized nurse eggs for her spiderlings to feast on and once the eggs are consumed, she offers herself to be eaten entirely in the process called Matriphagy.

例如，蟹蛛妈妈会产下未精的看护卵供其幼蛛享用。一旦卵吃完了，她会把自己也作为食物幼蛛整个吃掉，这一过程称为“母性吞噬”。

If the egg is not fertilized by sperm within 24 hours, the unfertilized egg will die and the entire system will reset itself, preparing to create a new egg and uterine lining the following month.

如果卵子在24小时内未精子精，未精的卵子将死亡， 整个系统会重置，为下个月生成新的卵子和子宫内膜做准备。

Big seeds that can take advantage of the good conditions to grow quickly will now be favored over small seeds that were previously favored on dry, unfertilized hillsides where seeds were sparser and competition less intense.

能够利用良好条件快速生长的大种子现在将比以前在干燥、未施肥的山坡上到青睐的小种子到青睐，因为那里种子稀疏，竞争不那么激烈。