For plants to survive in mangrove ecosystems like the Central African mangroves, they must have adaptations that allow them to live in __________ water.
Analyze the map below and answer the question that follows. Where is the Sahel located on the map above?

Malaria is considered to be an endemic disease because it __________.
Which of the following best describes rainfall patterns in the Serengeti grassland ecosystem?
All of the following techniques are being used to fight the spread of malaria in Africa, except __________.
Which of the following statements are true about malaria in Africa? i. 100 million people in Africa are infected with malaria yearly. ii. Most of the people who die of the disease are adults over age 60. iii. African nations spend billions of dollars each year fighting the disease.
Which of the following is a disease that is spread by mosquitoes and is commonly found only in tropical areas?
Seasonal rains __________.
The Serengeti is an example of a __________ ecosystem.
“Sahel” means __________ in Arabic.
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