123 Flashcards
four types of evidence that indicate africa is mother continent
fossil, genetic, linguistic, archaeologicial
humans have different ethnicities
distinguished from one another by ___ (3)
language,
culture, and nationality
Baobab
African trees from the genus Adansonia; major
symbol of the West African Sahel
__
affects African climates more than any other factor
rainfall (or its absence)
describe climate zones in africa
wet tropical zone along equator; gets drier as you move to the north or to the south. large deserts in the interior of northern and southern africa. coastal regions that get
proportionately more rainfall than adjacent regions
in the interior
describe climate of east african coast
the
climate is isolated from the rest of Africa by a mountainous ridge and is most influenced by weather in the indian ocean
One of the most interesting features of climate
change in Africa over the millennia has been __, which over time led to __(4)
the
contraction and expansion of the Sahara Desert; innovations in
food production, new forms of irrigation, migratory
movements, and the formation of centralized states
along the Nile River and the Niger River to address
the problems of increasingly dense populations
pastoralists
animal herders
Africa is the world’s __ largest continent
__ square miles
2nd; 11.7 million
the continent of afirca is mostly a __ with over __ of coastline and __ countries
plateau; 16,000 mi; 54
africa contains about __ of the world’s landmass. some __percent of africa is __percent and __ is forest. __ united states, __, can fit on the african continent
20 percent of world’s landmass.
20 percent desert, 15 percent rainforest.
three U.S.s
the __ river, which begins __ of the equator and flows __ward, is __ long and is [ most ]
nile; south; northward; 4160 mi; world’s longest river
africa is larger than (4) combined
U.S., china, europe, india
since africa was so large, __
control over people, rather than land, was the basis for power and wealth
slash n burn farming
relied more on land than labor. cleared new land with fire –instead of applying fertilizer or rotating crops – to restore productivity on existing farms