• aborigine
• avulsion
• bioclimatic
• birthrate
• caste
• census
• civilization
• clan
• conservation
• conurbation
• cultivation
• cultural region
• diversify
• drainage system
• dynasty
• endangered species
• environment
• ethnic group
• extended family
• extinct
• extinction
• fallow
• fossil fuel
• greenbelt
• harbor
• heartland
• homeland
• homogenous population
• hydroelectric power
• illiteracy
• immigration
• independent nation
• indigenous
• infant mortality
• irrigation
• land reclamation
• landlocked
• life expectancy
• malnutrition
• mestizo
• metropolitan area
• migration
• minority people
• mulatto
• nation
• natural
• natural resource
• natural vegetation
• nomads
• nonrenewable resource
• people
• plantation
• polder
• polygamy
• population
• population profile
• raw materials
• reforestation
• renewable resource
• resource
• self-sufficiency
• solar energy
• subsistence farming
• sudd
• territory
• Third World
• threatened species
• three chart
• vegetation
• zero population growth