In 1990, carl woese introduced the three
domain system for classifying living things,
after the advancement of dna analysis
allowed for a comparison of species genetic
code. which of the following is the best
explanation for why domains were added to
the previous system of classification?
c. domains have always been included, they
were just made official recently.
b. new species are evolving too quickly to
keep up with the old system of classification
d. some organisms, which were previously
characterized together, were determined to
be genetically very different.
a. the old system of classification was wrong
and needed to be corrected.