7. Common Bermuda grass is found in most parts of Texas. Like most native grasses it is pollinated by the wind. It produces large numbers of very tiny
seeds that are carried by the wind. It is a nuisance plant in many yards,
spreading along the ground with tough runners and underground stems. It can
quickly take over a garden or flower bed,
Which of the following is most important for the spread of Bermuda grass
throughout Texas?