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Plan
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How this Plan uses your files

The single source lesson is carried across Compare & Select and Build & Revise, with classification, food-web analysis, testing, evidence-based critique, and revision completed before the showcase. Its connected tasks are shortened and combined within the 10-day schedule, but none are omitted.

Launch
Students will launch the Biosphere 3 challenge by defining the food-system problem, identifying initial criteria and constraints, and recording a baseline concept for later comparison.
Day 1
🌎 Biosphere 3 Design Brief
Launch 60m

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Compare & Select
Students will classify organisms, compare multiple food-web concepts, evaluate missing relationships, and use peer feedback and a weighted decision matrix to select and defend a Biosphere 3 design.
Days 2 - 5
🌱 Organism Roles Design Brief
Knowledge/Skill Building 55m
Adapted from source
➡️ Three Food-Web Concepts
Knowledge/Skill Building 60m
Adapted from source
🔍 Food-Web Design Review
Project Work 60m
Adapted from source
⚖️ Biosphere Design Selection
Assessment 60m
Adapted from source

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Build & Revise
Students will build, test, critique, and revise a Biosphere 3 model, using peer and community-partner feedback to strengthen its food web, nutrient cycles, Earth-system interactions, and evidence-based defense.
Days 6 - 9
🌎 Earth-System Model Build
Knowledge/Skill Building 55m
🔁 Food-Web Stress Tests
Project Work 60m
♻️ Decomposition Design Review
Community Experience 55m
🧾 Revised Model Evidence Gate
Assessment 60m

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Showcase
Students will present and defend their final Biosphere 3 ecosystem designs to an authentic audience, respond to feedback, and reflect on scientific learning and collaboration.
Day 10
🌎 Ecosystem Pitch Night Defense
Assessment 60m

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