Dobzhansky's classifications of reproductive isolating mechanisms include:
A. Habitat selection
B. Flowering time
C. Sexual isolation
D. Isolation by pollinators
E. Hybrid vigour
Choose the most appropriate answer from the options given below:
1
A, B, C, E only
2
B, C, D and E only
3
A, C, D and E only
4
A, B, C, D only