That difference is one example of sexual dimorphism.

这种差异是性别二态性的一个例子。

There are, also, cases of dimorphism and trimorphism, both with animals and plants.

也有动物和植物的二态和三态情况。

There have been many proposed cases of sexual dimorphism in dinosaurs.

有许多关于恐龙性别二态性的案例。

Which of the following is an example of sexual dimorphism in modern animals?

以下哪项是现代动物性别二态性的例子？

The proper terminology for this Sexual Dimorphism.

这种性别二态性的正确术语。

This is a good example of sexual dimorphism.

这是性二态性的一个很好的例子。

However, because many ceratopsians are known from single specimens, it becomes hard to say anything definitive about sexual dimorphism.

然而，由于许多角龙都是从单一标本中发现的，因此很难对两性二态性做出任何明确的判断。

So some things are relatively obvious when it comes to sexual dimorphism.

所以当涉及到两性二态时，有些事情是相对明显的。

However there are a lot of other ways that dimorphism might manifest itself.

然而，二态性还有很多其他方式可以表现出来。

In these peacocks feather coloration is one of the most obvious things we can think of when it comes to dimorphism.

在这些孔雀中，羽毛着色是我们在二态性方面可以想到的最明显的事情之一。

And in a paper published this week in the Proceedings of the Royal Society B: Biological Sciences, a group of researchers studied sexual dimorphism in humans and other primates -- specifically, in their voices.

在本周发表在《皇家学会学报 B：生物科学》上的一篇论文中，一组研究人员研究了人类和其他灵长类动物的性二态性——特别是它们的声音。

This example serves to remind us that while a structure like antlers in one group of animals, may be a sign of dimorphism, the same might not apply to all species in the group.

这个例子提醒我们，虽然一组动物中的鹿角结构可能是二态性的标志，但它可能不适用于该组中的所有物种。