Final answer:
Sealing buildings to prevent pests is a physical pest management method, distinct from biological and chemical methods, that involves creating barriers or manual removal.
Step-by-step explanation:
Sealing cracks and crevices and small openings in buildings is an example of a physical pest management method. This approach is one of the three main methods for controlling pest populations, which are mechanical or physical control, chemical control, and biological control. Physical pest control is focused on creating physical barriers or removing the pests by hand or with tools, thus it is a non-chemical and non-biological method aimed at preventing pests from accessing an area or removing them manually.