s.s.

Which of the following best describes rainfall patterns in the Serengeti grassland ecosystem?

months of heavy precipitation, followed by drought

Malaria is a disease spread through

mosquitoes

Migratory animals are those that

move from place to place during certain times of the year

The longest river in the Africa

nile

In the United States, the president, a civilian, is commander-in-chief of the armed forces. This means that the president is

not a member of the military

Where is the island of Madagascar located?

off the east coast of Africa

In the Sahara, the term erg is used to describe a(n)

sand sea

Sahel" means __________ in Arabic.

shore

Which body of water lies off the coast of West Africa?

the Atlantic Ocean

The Y-shaped region in eastern Africa that was created by a series of faults and that includes volcanic mountains, lakes, and waterfalls, is known as

the Great Rift Valley

Which of the following ecosystems is located in a semiarid climate region, is prone to drought, and is a transition zone between a desert area and a tropical grassland?

the Sahel

Which of the following terms best characterizes the governments of Mauritius, South Africa, and Botswana?

democracies

From space, the Richat Structure in the Sahara looks most like a

bull's-eye

The Great Rift Valley is being formed by tectonic plates that are pulling away from each other. What would we expect eastern Africa to look like tens of millions of years in the future as a result of this activity?

A sea will split the eastern coast of Africa from the rest of the continent.

The longest river in sub-Saharan Africa

Congo

The Nile River connects Lake Victoria, in east Africa, to the

Mediterranean Sea

The body of water to the north of Africa is the

Mediterranean Sea

The Rwenzori Mountains are also known as the Mountains of the

Moon

The semiarid grassland region that is a transition zone between a desert to the north and a tropical savannah climate zone to the south is called the

Sahel

occur only during certain times of the year

Seasonal rains

In 2011, piracy was an enormous problem off the coast of

Somalia

Which of the following statements is most likely a characteristic of an authoritarian government in Africa?

The power often shifts between a military government and a civilian one.

Which of the following landforms is most similar to a dune?

a hill

Which of the following terms best characterizes the government of Somalia?

an anarchy

The Serengeti is an example of a __________ ecosystem.

grassland

All of the following are characteristics of the Serengeti except

heavy precipitation that falls year-round

About 85% of people who live in Africa live

in sub-Saharan Africa

Malaria is considered to be an endemic disease because it

is commonly found only in tropical climates