This document discusses classification systems for living organisms. It explains the five kingdom system of classification including Monera, Protista, Plantae, Fungi, and Animalia. Examples of subgroups under each kingdom like Eubacteria and Archeobacteria under Monera are provided. The document also introduces mind mapping techniques to help teach the classification system using levels, nodes, and branches. Key terms like WALT (We Are Learning To) and WILF (What I'm Looking For) are explained in the context of developing a diagnostic mind map for teaching classification.