Which of the following organisms would likely be found on a decaying deer carcass (dead deer)?
a. Plant and animal
b. Fungus and plant
c. Bacteria and fungus
d. All of the above

Consider a culture medium on which only gram-positive organisms such as staphylococcus aureus colonies can grow due to an elevated nacl level. a yellow halo surrounds the growth, indicating the bacterium fermented a sugar in the medium, decreasing the ph as a result and changing the color of a ph indicator chemical. this type of medium would be referred to as a differential and enrichment culture.