Examlex
Some species of ant "farm" aphids by protecting them from predators. In return, the ants feed on a sugar-rich liquid (called honeydew) secreted by the aphids. The ecological relationship between the ants and the aphids is:
Countertrade
A form of international trade in which goods or services are exchanged for other goods or services, rather than for cash.
Less-Developed Country
A country characterized by low levels of industrialization, socioeconomic development, and often a low standard of living among its population.
World Bank
An international financial institution that provides loans and grants to the governments of poorer countries for the purpose of pursuing capital projects.
Healthcare Facilities
Institutions providing patient treatment with specialized medical and nursing staff and medical equipment.
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