Bacillus cereus is classified as:

Bacillus cereus is classified as a spore-forming bacterium because it belongs to a group of bacteria known for their ability to produce endospores, which are resilient structures that can survive extreme environmental conditions, including heat and desiccation. This spore-forming capability allows Bacillus cereus to withstand stressful conditions and persist in a dormant state until favorable conditions arise for growth and reproduction.

In addition to its spore-forming nature, Bacillus cereus is also recognized for its potential to cause foodborne illness, primarily through the production of toxins. However, while it indeed has toxin-producing strains, the defining characteristic of its classification here focuses on its spore-forming ability. The organism can be found in a variety of environments, which further emphasizes its adaptability and survival skills. Understanding this classification is crucial for recognizing its clinical and food safety implications.