Rank the following from most general to most specific: 1. gametic ...

[j_sun]

Rank the following from most general to most specific:
1.    gametic isolation
2.    reproductive isolating mechanism
3.    pollen-stigma incompatibility
4.    prezygotic isolating mechanism
A) 2, 3, 1, 4
B) 2, 4, 1, 3
C) 4, 1, 2, 3
D) 4, 2, 1, 3
E) 2, 1, 4, 3

[coco]

Hey again

I'm guessing it's B. It makes sense.

[j_sun]

You're the best, thank you