is an example of how gene flow could occur. The introduction of a plant variety that is resistant to insect pests. The isolation of a population of lizards that l

Answer: The introduction of a plant variety The introduction of a plant variety

that is resistant to insect pests.

Explanation:Gene flow can simply be said to be gene movement from one population to another population.

Gene flow can also mean the movement of the pollen across from one population of white spruce to another. It can be in the form of introduction.