Final answer:
Bermudagrass, as well as Creeping bentgrass, have both stolons and rhizomes which are important for vegetative reproduction and environmental adaptation in these plants. option b.
Step-by-step explanation:
The species that has both stolons and rhizomes is Bermudagrass. Creeping bentgrass also has both stolons and rhizomes, whereas zoysiagrass typically does not demonstrate both of these vegetative structures. In plant biology, rhizomes are horizontal underground stems that can give rise to new vertical shoots, such as in ginger and ferns. Stolons, on the other hand, are stems that run almost parallel to the ground or just below the surface and can produce new plants at their nodes. In grasses, these structures are essential for vegetative reproduction and serve as a means of survival and dispersal in various environments.