Introduce your elementary students to the modern three-domain system of life—Bacteria, Archaea, and Eukarya—with this mini classification set designed by a certified Montessori elementary guide and instructional trainer. This free resource offers a gentle bridge between traditional Montessori classification materials and current scientific understanding, perfect for cosmic education, biology, or Timeline of Life follow-up work. What’s Included 1. 4-part cards (Mini Set)Domains of Life:Life on