The two largest groups of animals are vertebrates and invertbrates.

最大的两个类别和无。

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

还有无可以变得更小！

So specifically, fish as well as aquatic invertebrates.

特别鱼类和水生无。”

Pterosaurs were the first vertebrates to master flight.

最早掌握飞行的。

Galapagos Tortoises live longer than any other animal with a backbone!

科隆群岛陆龟比其他活得更久！

And I'm reviewing my knowledge of invertebrate zoology.

我还在回想有关无学的知识。

That would make it the largest concentration of land vertebrates anywhere on Earth.

这地球上陆生密度最高的地方。

Bulkier vertebrates have to have more massive bones.

体积较大的必须有更大的骨骼。

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

牡蛎软体门下的软体无。

That is basically what it means to be a vertebrate.

这基本上就的含义。

Snakes are also vertebrates, which means that they have a backbone.

蛇类也，说明它们有骨。

Vertebrates are animals that have spines, or backbones.

有骨。

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

以下哪种海洋生地球上最大的无？

The new revelations amount to a rewriting of the acoustic history of animals with backbones.

这项新发现相当于改写了的声学史。

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

我们会收集有关鱼类、无、珊瑚和珊瑚疾病的数据。

And that's completely brand new to science in any vertebrate animal.

这对任何学来说，都全新的发现。”

Now, that's incredible because snakes are of lower vertebrates.

这更加令人难以置信了，因为蛇属于低等。

Invertebrates are animals that do not have backbones.

无则没有。

Cephalopods may have evolved complex brains long before our vertebrate relatives.

头足类或许比我们的近亲更早演化出复杂的脑部。

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

多种珊瑚，多种鱼类，无，都快乐地生活在一起。