No.
http://en.wikipedia.org/wiki/Theory_of_intervening_opportunities
is intervening opportunity a type of migration
3 answers
What are 8 types of migration?
I got Chain Migration, Forced, Global Scale, Internal, International, Step, and Voluntary
I need 1 more
I got Chain Migration, Forced, Global Scale, Internal, International, Step, and Voluntary
I need 1 more
http://www.nationalgeographic.com/xpeditions/lessons/09/g68/migrationguidestudent.pdf