The study of the interrelationships of organisms to one another and the environment.

Economic Cooperation Organization

The Economic Cooperation Organization (ECO) was established on 27-29 January 1985 to promote regional cooperation in trade, transportation, communications, tourism, cultural affairs, and economic development.

Economic Freedom Index

The ranking includes data on labor and business freedom and trade policy, taxation, monetary policy, the banking system, foreign-investment rules, property rights, government spending, regulation policy, the level of corruption, and the extent of wage and price controls.


An interdependent community of plants and animals.


Travel by people who want to both see and save the natural habitats remaining on earth.


Location: South America Official name: Republic of Ecuador Formation (date of independence / date current borders were established): 1830 / 1942 Capital city: Quito Population: 13.8 million / 129 people per sq mile (50 people per sq km) Total land area: 109,483 square miles (283,560 square km) Language(s) spoken: Spanish (official language), Quechua, other Main … Read more