For example, reproductive isolation is weak in the early stages of speciation, but changes to strong or complete in later stages of speciation (Figure 2). One or more of the many types of ...

The biological equivalent is "allopatric speciation," an evolutionary process ... geographical change that can be slow or rapid. An example of vicariance is the separation of marine creatures ...

Chimpanzees, for example, show population-specific signatures ... which is a necessary precursor to speciation. Future studies that incorporate ecological, behavioral, and genetic data hold ...