The main importance of the study of geomorphology is to study the landforms and used these lands for the economic welfare of human beings. Its study is also important for the socio-economic development to man because these lands used by the people for their benefits. Its study is also important because they also regulate the ecosystem, climate, weather and made environment suitable for humans to live.
I believe the correct answer would be behavioral isolation. It is an isolating mechanism where two populations or species cannot mate because of the differences in their courtship and mating behavior. It is also called as ethological isolation.
