If blood typing is not available in an emergency situation, O-Negative blood is universally accepted by all blood types because it is absent of any antibodies. Therefore, if O-Neg blood is on hand in emergency situations, it can be given to anyone.
Corynebacterium is the answer I believe
Phylum is a principal taxonomic category that is ranked below the kingdom and above the class. If two organisms are in the same phylum, this means that they are also in the same kingdom. Each phylum is composed of one or more classes.
The guinea pig and the raccoon are both members of :
The eukarya domain, the kingdom of animals, the chordates and the mammal class.
After the level of class (Mammalia), they start to belong to different groups.
The guinea pig belongs to rodents and the raccoon belongs to the carnivores.