Answer :
Final answer:
Monitoring pests at airports and ocean ports to protect public health and agriculture is an example of regulatory control, which is a type of pest management that involves legislation and administration. Thus, the correct option is c) Regulatory control.
Explanation:
The method of pest management that involves monitoring pests at airports and ocean ports to prevent them from causing public health issues or widespread damage to crops or animals is known as regulatory control. This type of control includes legal and administrative actions, such as inspections, quarantines, and the enforcement of laws designed to prevent the introduction and spread of pests. It is a protective measure that falls under the umbrella of Integrated Pest Management (IPM), which favors using multiple strategies for pest control with the least possible harm to people and the environment.