In the last few years, discoveries of differences among bacterial cells caused scientists to divide the monera into two distinct groups, the eubacteria and archaebacteria. a) biochemical b) environmental c) reproductive d) structural

The biochemical difference among the eubacteria and archaebacterial made biologist separate the to two distinct groups. Also considered as the "true bacteria" the eubacteria have simple cells and mostly resides inside our intestines while the archaebacterial have different molecular structure.

Community maybe i’m not positive