Which group includes members of the Enterobactericeae, which are Gram - negative, facultative anaerobic rods that live in the intestines of animals and aquatic environments?
a) Escherichia coli, Salmonella spp., and Klebsiella spp.
b) Staphylococcus spp. and Streptococcus spp.
c) Bacillus spp. and Clostridium spp.
d) Treponema pallidum and Borellia burgdorfer