How to sign: the 2nd letter of the Roman alphabet
Categories: alphabetic character, letter, letter of the alphabet
How to sign: aerobic rod-shaped spore-producing bacterium; often occurring in chainlike formations; found primarily in soil
Similiar / Same: Bacillus, Bacilli
Categories: eubacteria, eubacterium, true bacteria
Within this category: Bacillus anthracis, Bacillus subtilis, Yersinia pestis