Teacher notes
- Make the limitations of the demonstration explicit.
- Use the tool to frame questions about cumulative versus one-step change.
- Connect it to model critique, not just model celebration.
Weasel-style selection demonstration for variation, selection, and cumulative change.
Study Guide
Use this guide to frame the tool with a clear question, expected observations, and model-limits discussion rather than treating it as a standalone demo.
Teaching Focus
Core Question
What difference does cumulative selection make compared with undirected random change?
Scientific Virtues
Use the Scientific Virtues page to connect model use with evidence, skepticism, and revision.