Answer:
Mosquito serves as a vector
Step-by-step explanation:
Mosquito serves as the vector which helps to transfer the organisms such as plasmodium to human. Just like in the case of malaria, the plasmodium is within the salivary glands of mosquito and become inject into human while it feeds/bites. The organisms that are then introduce then grow in the liver and spread to the red blood cells. The plasmodium undergo the sexual stage in mosquito.