Final answer:
The best way to stop the spread of aquatic nuisance species is by cleaning boats and equipment, properly disposing of unused bait, and not releasing unwanted pets into the wild.
Step-by-step explanation:
The best way to stop the spread of aquatic nuisance species is B. Cleaning boats and equipment. It is essential to prevent organisms from being transported to new areas where they could become invasive. This involves being diligent about cleaning recreational equipment that comes into contact with the water, like boats, trailers, fishing gear, and SCUBA equipment.
Actions such as disposing of unused bait in trash cans, not releasing unwanted aquarium pets into the wild, and spreading awareness about the impact of invasive species contribute to the conservation of local ecosystems.
Moreover, informed citizens can participate in early detection and rapid response initiatives, which are crucial for the effective management of invasive species.