Multiple Choice
Species A is divided by a newly formed river to become two populations.These populations diverge to become two different species,B and C.If the river is dammed upstream,eliminating an isolating mechanism between B and C,what will happen?
A) Gene flow will resume.
B) Species B and C will be considered subspecies.
C) Species B and C will remain genetically isolated.
D) Species will unite to form a hybrid species, D.
Correct Answer:

Verified
Correct Answer:
Verified
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