Then there's the invertebrates that can get even smaller!

还有无脊可以变得更小！

Which of these sea creatures is the largest invertebrate on Earth?

以下哪种海洋是地球上最大的无脊？

It's the world's largest invertebrate, which is an animal with no backbone.

它是世界上最大的无脊，也就是没有脊的。

So specifically, fish as well as aquatic invertebrates.

特别是鱼类和水无脊。”

And I'm reviewing my knowledge of invertebrate zoology.

我还在回想有关无脊的知识。

Invertebrates are animals that do not have backbones.

无脊则没有。

Basically we collect data on fish, invertebrates, coral and coral diseases.

我们会收集有关鱼类、无脊、珊瑚和珊瑚疾病的数据。

Oysters are soft-bodied invertebrates belonging to the phylum mollusca.

牡蛎是软体门下的软体无脊。

Insects are invertebrates, or animals that do not have backbones.

昆虫没有脊，是无脊。

Invertebrates like snapping shrimp, fish and marine mammals all use sound.

诸如虾之类的无脊、 鱼类，以及海洋哺乳都使用声音。

With their jointed legs, they became the first invertebrates to venture onto dry land over 250 million years ago.

在两亿五千万年前，它们用分节的腿在无脊中最先登上陆地。

Most of the animals in the world are invertebrates.

绝大部分都是无脊。

Multiple species coral, multiple species of fish, invertebrates, all living happily together.

各式各样的珊瑚，多种多样的鱼、无脊，都快乐地活在一起。

Multiple species of coral, multiple species of fish, invertebrates, all living happily together.

多种珊瑚，多种鱼类，无脊，都快乐地活在一起。

Plastic has been found in turtles, seabirds, fish, plankton, shellfish, even bottom-feeding invertebrates.

我们可以在乌龟，海鸟，鱼类，浮游，贝类，甚至无脊身体里发现塑料。

So the figures who populate his history paintings are often weirdly invertebrate.

所以那些在他的历史题材作品中出现的人通常都呈现出古怪的软弱无力。

They can make a home for invertebrates, crustaceans, fish, and sea snakes to name a few.

它们可以为无脊、甲壳类、鱼以及海蛇等海洋提供栖息之地。

Also abundant were mayflies and caddis flies. These invertebrates are indicators of a healthy aquatic ecosystem.

也有大量的蜉蝣和石蛾。这些无脊是健康水态系统的标志。

Invertebrates from mollusks to coral to starfish all use calcium to build their bodies' support structures.

从软体到珊瑚再到海星，无脊都使用钙来构建身体的支撑结构。

But if a brain has to be inside of a skull, can invertebrates have brains at all?

但是如果大脑必须在头骨里，无脊真的有大脑吗？