Mayr's biological concepts of species is mainly based on
Modes of reproduction
Morphology and reproduction
Open in App
Verified by Toppr
Correct option is
Mayr proposed the origin of species in his book 'Systematics and the Origin of Species'. He told that when a group of the population becomes separated from its original group by time or geography, then there is an evolution of new traits in them and they cannot interbreed. This isolation creates new species.
So, the correct answer is 'Reproductive isolation'.