Final answer:
Fimbriae, glycocalyx, and capsule are important bacterial structures for adherence to surfaces.
Step-by-step explanation:
The bacterial structures that are important for adherence to surfaces are fimbriae, glycocalyx, and capsule.
Fimbriae are short bristle-like proteins that enable bacterial cells to attach to surfaces and other cells. Glycocalyx, which includes slime layers and capsules, is a coating produced by bacteria that aids in attachment to surfaces. Capsules are structures outside the bacterial cell wall that allow bacteria to adhere to surfaces and aid in biofilm formation.