Malaria is an illness caused by a parasite that is passed from one person to another through a vector.
(a)[1]
Name the vector responsible for transmitting the parasite that causes malaria.
(b(i))[2]
The spread of the vector may be controlled by using an insecticide. State two additional ways of controlling the spread of the vector.
(b(ii))[4]
Insecticide resistance can arise in the vector population. Describe how natural selection may lead to resistance of the vector to insecticide.
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