(pan: entire, gaea: earth) the super continent that existed during the paleozoic and mesozoic eras about 250 million years ago.
the northern super landmass comprising Asia and North America.
the southern super landmass comprising South America, Australia, and Antarctica.
the super ocean that ultimately became the pacific ocean after the break up of pangaea.
a long straight deep valley produced by the separation of crustal plates.
a large basin shaped depressed formed by the inward collapse of a volcano after or during an eruption.
the rule of one nation over another that is maintained through political structures and creates unequal cultural and economic conditions.
the way in which people own, occupy, and use land.
when an external society or culture take land from a local or native society or culture.
the long-term biological maturation of the human species. East Africa is the source of humankind.
the slow movement of continets controlled by the processes associated with plate tectonics.
the development of more productive, drought-tolerant, pest-resistant, higher-yielding types of grain has had less impact in Afica than elsewhere.
Cell Phone Revolution
is allowing many farmers to send text messages to obtain critical information such as weather alerts or forecasts, and the prices for agriculural products such as the most up-to-date price estimate for a kilogram of maize or a sack of potatoes at the nearest market.
study of human health.
diseases that are at equilibrium within the population. (hookworm)
the regional spread of a diseases.
the global spread of a diseases.
the creation of a state based on traditions of human territotiality that go back thousands of years.
a society marked by a mosaic of many local languages.
apartness. Racial separation........carried ID/Documents.....had to be employed to live in cities.......families were excluded......restricted from homeland.
nonwhite groups were required to settle in segregated homelands.
a bounded (non-island) piece of territory that is part of a particular state but lies separated from it by the territory of another state. Alaska is to United States.
an interior state surrounded by land.
a piece of territory that is surrounded by another political unit of which it is not a part.
village market that opens every third day or at some other regular interval. Rual setting where goods are brought to market by foot and then exchanged.
the southern border of the African Transition Zone that marks the regious frontier of the Muslim faith in its southward penetration of Subsaharan Africa.
diseases that destroy organs. Typically found in developed areas. (cancers)
diseases caused by an invasive organism. Typically found in developing areas. (yellow fever)
arthropod borne. (mosquito and malaria)
direct human to human transmission. (influenza)
a species in which the disease circulates continuously. For example rats carry lassa fever in west Africa.
the transmission of an infectious agent in a hospital setting.
abundance of vectors. (mosquitoes, flies)
malnutrition, no access to clean water.
increase probability of exposure.
Lack of Medical Facilities
no access to medical care.
the practice of forcing an entire ethnic group to leave a region.
state sanctioned systematic and planned extermination of an entire national racial, political or ethnic group. (murder)