Horses, zebras, and donkeys are all different species. they are believed to have come from one common ancestor and just become more and more different due to their different environmental conditions. these animals may have evolved by adaptive radiation convergent evolution divergent evolution coevolution

Let's imagine this group of animals living together: then they were separate and started changing, each of the groups differently. You can say that they are now divergent: different. So the correct answer is divergent evolution: it's the evolutionary process in which the individuals become more and more different!

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