Which of the following is the best example of gene flow?
Wind blows pollen from one population of plants to another and cross-fertilization occurs.
An earthquake results in the formation of a canyon, splitting a population of toads apart.
Genes are shuffled by the crossing over of chromosomes during meiosis.
A small population of humans colonizes a newly formed island.
The best example of gene flow among the options provided is:
Wind blows pollen from one population of plants to another and cross-fertilization occurs.