Mosquitoes breed in small pools of water.

蚊子在小水洼里繁殖。

There aren't a lot of them and they don't breed quickly or successfully.

它们数量不多，繁殖速度也不，并且常繁殖失败。

And then a couple of years down the road, hopefully, some successful breeding.

再过几年，希望能成功繁殖。

Question 2. To mate and then produce young animals.

交配，然后繁殖后代。

That got the researchers thinking about something of great importance to most animals: reproduction.

繁殖。

And there was a clear pattern here - they proliferate where there is suitable water.

这里有一个清晰的模式，它们在适合的水域繁殖。

So, we've documented close inbreeding, fathers breeding with daughters, granddaughters and even great-granddaughters.

因此，我们记录了近亲繁殖，父亲与女儿、孙女甚至曾孙女进行繁殖。

And this was most frequent early in the breeding season.

这在繁殖早期最为频繁。

Those salmons that successfully make it to their spawning grounds will die soon after they reproduce.

那些成功抵达繁殖地的鲑鱼在繁殖结束后会死去。

Stamen, the key part of a flower for flower reproduction is called the stamen.

花朵繁殖的关键部分称为stamen。

It breeds along the U.S. West Coast.

它在美国西海岸繁殖。

All flowering plants need it to reproduce.

所有开花植物都需要授粉来繁殖。

What actually happens when you inbreed?

近亲繁殖时会有什么结果?

So, they keep on procreating, and they keep on growing.

所以，它们继续繁殖，继续生长。

The animals live long lives and are slow to reproduce.

这些动物寿命长，繁殖速度慢。

Instead, they walk, or waddle to their new home and breeding grounds.

而是一摇一摆地走到繁殖地。

All here to breed before winter returns.

都趁着冬天来临之前来这里繁殖。

The experiment into the effect of weightlessness on reptiles' sexual reproduction is still continuing.

研究失重状态对壁虎性繁殖能力影响的实验仍在继续。

They then multiply after attaching to cells inside the organ.

然后它们附着在胃部的细胞上繁殖。

In two generations, those had produced 3,800 grandchildren.

两代繁殖之后，培养了3800个子二代。