The Hierarchy of Life: From Cells to Biosphere walkthrough deck

Section role: supports the 'The Hierarchy of Life' section while the teacher bridges the mystery box observations to formal biological science. Slides: (1) Title — 'The Border of Life: What is Biology?'; (2) Formal definition — bullets: biology as the study of life, connection to our bean seed from the investigation; (3) The First Scale — bullets: cells as the smallest unit of life, tissues, organs; (4) The Complete Hierarchy — ordered list from Cell to Biosphere with simple descriptive text for each level; (5) Through-line example — bullets: one seed as an organ, the whole plant as an organism, the garden as an ecosystem; (6) Vocabulary spotlight — definitions of 'Organization' and 'Biosphere'; (7) Closing slide — 'How does a single cell fit into the global biosphere?' — hands control back to the teacher to set up the school garden mapping task.