Which of the following situations could result in divergent evolution in sympatric populations?
select all that apply.
a mutation has resulted in some individuals of a plant species flowering early in the spring, while other members of the same species flower much later.
a volcano splits the range of a species of insect into two parts that do not overlap, and insects on opposite sides of the volcano can no longer interbreed.
a mutation during reproduction causes the chromosomes in a species of flowering plant to double, resulting in an individual with four sets of chromosomes.
a seed from a plant is carried by a bird to an isolated island where it can grow and reproduce but is too far away from its original population to interbreed with them.