Bacillus Bacteria in the Intestines: Types, Roles & Implications

The correct answer is bacillus.

Bacillus is a genus of rod-shaped bacteria that are found in soil, water, and the intestines of humans and animals. Some species of Bacillus are pathogenic, causing diseases such as anthrax and food poisoning. Other species are used in industry, such as in the production of antibiotics and enzymes.