Which of the following is not true of a dichotomous key
A. they can be used to identify an organism by scientific knowledge
B. they can be used by anyone, even without specialized scientific knowledge
C. they can sometimes experience errors because closely related species may share many of the same characteristics
D. none of the above, they are all true

scientists have discovered that hiv does not cause aids by the virus's direct effect on the host's immune cells, but rather through the cells' lethal influence on one another. researchers from the gladstone institutes have revealed that hiv does not cause aids by the virus's

if you look up in the top right corner you'll see your current profile picture, click than click "view profile" you'll be able to change it there.