This tight-knit bond between algae and corals is what makes reefs so incredibly productive.

藻类和珊瑚虫之间这种紧密联系，就是珊瑚礁生产力如此惊人原因所在。

Coral is actually the eco skeletons of coral polyps made of limestone.

珊瑚实际上是由石灰岩珊瑚虫生态骨架。

The polyps that make up the stony corals are among the winners of climate change.

石珊瑚珊瑚虫是气候变化赢家之一。

Again, what we're seeing here is blue light hitting this image.

我们这所看到是，蓝色 光照在珊瑚虫图像 。

They're a symbiotic duo, a partnership, between an algae and a coral.

珊瑚是共生体，是海藻和珊瑚虫之间系。

At the heart of reef ecosystems lies a symbiosis between corals and algae.

珊瑚礁生态系统核心是珊瑚虫和藻类共生系。

They do this so that they can eat the coral polyps and algae inside.

这样它们就能吃到珊瑚虫和面海藻了。

A small piece of coral may be made of hundreds of polyps.

一小片珊瑚可能都是由上百个珊瑚虫。

Together, colonies of polyps produce large three-dimensional structures, which form the basis of an underwater metropolis.

群珊瑚虫一起制造出立体结，就有了水下都市基础。

Pip saw the multitudinous, God-omnipresent, coral insects, that out of the firmament of waters heaved the colossal orbs.

皮普看见了无数上帝一般无所不在珊瑚虫，从水天穹中升起巨大星体。

The answer is starfish. The crown-of-thorns starfish preys on coral and large outbreaks of these starfish can devastate reefs.

正确答案是海星。棘冠星鱼会捕食珊瑚虫，大量海星会摧毁珊瑚。

Which of these invertebrates is an anthozoan known for its stony skeleton?

以下哪种无脊椎动物是以石质骨骼着称珊瑚虫？

Corals are groups of small organisms called polyps.

珊瑚是由称为珊瑚虫小型生物群体组。

Amazing to think that big, colorful reefs all start with these teeny tiny polyps.

令人惊讶是，庞大五彩珊瑚礁竟都是从这些微小珊瑚虫开始。

Coral is made of tiny transparent animals called polyps, with thousands of them in each chunk.

珊瑚由微小透明动物珊瑚虫组，每块珊瑚中都有千上万珊瑚虫。

But it's actually made up of animals called polyps.

但实际上它是由称为珊瑚虫动物组。

These polyps make hard exoskeletons around their soft bodies.

这些珊瑚虫在其柔软身体周围形了坚硬外骨骼。

It's made up of tiny polyps that grow tough little armor-like skeletons around themselves.

它由微小珊瑚虫，这些珊瑚虫会在自己周围生长出坚硬如盔甲般小骨骼。

It's coral polyps, and within that that coral structure that's kind of a hive or kind of the house for the coral polyps.

这是珊瑚虫，在这个珊瑚结面是珊瑚虫蜂巢或房子。

The top of each polyp has little tentacles, like an octopus.

每个珊瑚虫顶部都有小小触手，就像章鱼一样。