Rank the Following Isolating Mechanisms with Respect to Their Time

Multiple Choice

Rank the following isolating mechanisms with respect to their time of occurrence in the reproductive process,from earliest to latest.

A) Low hybrid zygotic viability,gametic isolation,behavioral isolation
B) Low hybrid zygotic viability,behavioral isolation,gametic isolation
C) Behavioral isolation,low hybrid zygotic viability,gametic isolation
D) Behavioral isolation,gametic isolation,low hybrid zygotic viability
E) Gametic isolation,behavioral isolation,low hybrid zygotic viability