Identify the factor that is responsible for allopatric speciation and NOT for sympatric speciation
A - Gene mutation
B - Physical barrier
C - Competition
D - mate choice
Answer: B - Physical barrier
ALLOPATRIC speciation is the dominant mode of speciation. It is speciation that occurs when a population is separated by a physical barrier. SYMPATRIC speciation is speciation that occurs without physical separates of the population.