What are species anyway, and how do new ones evolve?

Here, you can explore different ways to define a species and learn about the various processes through which speciation can occur. This section also addresses the topics of cospeciation—when two lineages split in concert with one another—and modes of speciation that are specific to plants.

Let’s start by defining a species.

Speciation in action


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Defining a Species

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Spanish translation of Understanding Evolution For Teachers from the Spanish Society of Evolutionary Biology.