Beyond physical features, modern classification uses DNA and genetic analysis to determine evolutionary relationships. 👑 1.3 The 5 Kingdoms of Living Organisms
. This foundational unit outlines the essential life processes that define living things and explains how scientists organize them into groups. 🧬 1.1 The 7 Characteristics of Life Biology for IGCSE #1
To be considered alive, an organism must fulfill seven specific criteria, easily memorized using : Beyond physical features, modern classification uses DNA and