Which Condition Is Least Likely to Lead to Geographic Isolation

question 121

Multiple Choice

Which condition is least likely to lead to geographic isolation, hence inhibiting allopatric speciation?

• A) A lava flow in Iceland dividing a population of white Angora rabbits into two populations
• B) A fire dividing a population of bats into two populations
• C) A hurricane destroying a large portion of grassland, thereby creating two populations of snails
• D) A deep gorge dividing a population of slow-moving snails
• E) A land bridge dividing a population of tuna

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