बाहरी बाधाओं के कारण आबादी के भौतिक या भौगोलिक पृथक्करण (Physical isolation) से होने वाले प्रजातिकरण को क्या कहा जाता है?

Which evolutionary process leads to the formation of new species due to physical or geographic barriers separating populations?

Species occupying different, geographically isolated areas are known as:

The process where new species evolve from a single ancestral species while inhabiting the same geographic region is called: