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Students experience one mechanism for evolution through a simulation that models the principles of natural selection and helps answer the question: How might biological change have occurred and been reinforced over time?
National Academy of Sciences
Three class periods.
After 3 generations, change cloth pattern under petri dish to something that makes dots easier to see, or harder to see. Use this to show that evolution doesnít lead to one best solution, but responds to the environment.
Correspondence to the Next Generation Science Standards is indicated in parentheses after each relevant concept. See our conceptual framework for details.
- An organismís features reflect its evolutionary history.
- Inherited characteristics affect the likelihood of an organismís survival and reproduction.