Crafted with EdrawMax, this *Gram (-) Bacteria Dichotomous Key Template* aids in identifying Gram - negative bacteria. It lists species such as *Klebsiella pneumoniae* and *Escherichia coli*, guiding users through sequential tests: LACTOSE, UREA, INDOL, H2S PRODUCTION, and MOTILITY. Each step branches into positive (+) or negative (-) results, systematically narrowing down bacterial identification. Valuable for microbiology education and lab diagnostics, it offers a structured approach to classify Gram - negative bacteria, simplifying the identification process for students and researchers.