8  p o i n t s! which of the following is a characteristic of a scientific experiment? its results always support the hypothesis. it shows cause and effect relationships. it is performed in nature. it can be performed only once.

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

meiosis is the correct answer