When an animal leaves more offspring, its genes will spread.

当动物繁殖出更多后代时， 就意味着它们的基因得到传播。

Only those rats given the saline sired offspring.

只有那些注射了生理盐水的老鼠能繁殖后代。

For the females, that means stockpiling resources to produce the offspring.

对雌性来说，它们会囤积营养为产卵最好准备。

This means the plant keeps its offspring close.

就是说，这种植物能使后代保持亲本（优良性状）。

Both poverty and riches are the offspring of thought.

贫穷和富有都是思想的产物。

The female bear will protect its offspring at all costs.

母熊会不计一切保护自己的小宝宝。

Today we go on a different kind of adventure, Jackson's life of parenting his offspring.

今天，我们将进行另一番冒险，聊聊杰克逊养育子女的生活。

Mothers, for example, call a stray offspring by whistling the calf's ID.

例如，海豚妈妈通过发出小海豚的声音音来呼唤迷路的小海豚。

In turn, their nursemaid will benefit the demanding offspring.

反过来，它们的保姆作用有助于后代的健康。

To feed their future offspring, beetles look for dead animals, like mice or birds.

为了喂养它们未来的后代，甲虫会寻找死去的动物，比如老鼠或鸟类。

Sperm whales form close family units for protection and to nurture their offspring.

抹香鲸形成亲密的家庭单元来保护自己并且养育它们的后代。

A British company has found a way to genetically modify mosquitoes to kill their offspring.

一家英国公司已经发现了一种通过改变蚊子基因杀死它们后代的方法。

If a genetically modified person produces offspring.

如果一个转基因的人生产后代。

It's no secret that celebrities love getting creative when it comes to naming their offspring.

名人们在给自己的后代取名时喜欢有创意，这已经不是什么秘密了。

But savagely intolerant of other predator's offspring.

对其它掠食动物的幼崽则丝毫不能容忍。

At every stage, the incorrect instructions are passed along to the cells' offspring.

在每一个阶段，错误的讯息都会被传递给这细胞的后代。

Now the specific maggots I'm talking about are those offspring found in the species of Calliphoridae.

我所说的特定的蛆是那些在丽蝇科这一物种中被发现的后代。

The offspring that have beaks like yours flourish.

长着你这样喙的后代会茁壮成长。

This type of artificial cloning is called reproductive, when you create identical Offspring for an original animal.

当用原始动物创造相同的后代时，这种类型的人工克隆称为生殖。

In order to mature her offspring, female mosquitoes need a blood-meal, which they get from unsuspecting hosts.

为了使后代成熟，雌性蚊子需要享用一顿血液大餐，叮咬不知情的宿主。