About 1/3 of earth's land surface is used for agriculture.
The answer is macrophages. They either actively invade these leukocytes or are phagocytosed, divide in the cells and cause lysis. The promastigotes that invade these leucocytes are transformed into amastigotes in the macrophages. These amastigotes continue attacking other healthy macrophages while others migrate to the mid gut.
I believe it's A. Premature Birth (though they all seem pretty believable)
B 1/4 because i seen the question and answer on my test and got it correct
