For Igcse #1 - Biology

Classification organizes organisms into groups based on shared characteristics.

ovement, R espiration (releasing energy), S ensitivity (detecting stimuli), G rowth, R eproduction, E xcretion (removing metabolic waste), and N utrition. 🗂️ 1.2 Concept and Uses of Classification Biology for IGCSE #1

. 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 R espiration (releasing energy)

Beyond physical features, modern classification uses DNA and genetic analysis to determine evolutionary relationships. 👑 1.3 The 5 Kingdoms of Living Organisms S ensitivity (detecting stimuli)

To be considered alive, an organism must fulfill seven specific criteria, easily memorized using :

Characteristics of Living Organisms - IGCSE Biology Revision