Symbiosis describes close interactions between two or more different species. There are four main types of symbiotic relationships: mutualism, commensalism, parasitism and competition. Symbiotic relationships are important because they are a major driving force of evolution.
Border Security. Exporters. Definition. For C-TPAT purposes, an exporter is defined as: A person or company who, as the principal party in interest in the export transaction, has the power and responsibility for determining and controlling the sending of the items out of the United States.
Migrant worker. A migrant worker is a person who either migrates within their home country or outside it to pursue work such as seasonal work. Migrant workers do usually not intend to stay permanently in the country or region they work in. Migrant workers who work outside their home country may also be called foreign workers or expatriates.