Which of the Following Statements Is Most Accurate

Multiple Choice

Which of the following statements is most accurate?

A) Biological reproductive barriers always occur after physical separation of populations.
B) Biological reproductive barriers occur as a direct result of geographic isolation of populations.
C) Geographic separation may result in biological barriers over time if populations of a species in the newly isolated regions undergo selective pressures that promote biological isolation and prevent successful reproduction if the species were to again come into contact later.
D) Biological reproductive barriers may prevent successful interbreeding even when geographic isolation has occurred,and two populations do not come into contact with each other.