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Simulating Conservation

  • Grade 9
  • Science
  • HS-LS4-6
  • HS-LS4 Biological Evolution
  • Free lesson

Aligned to HS-LS4-6 — Next Generation Science Standards.

What this lesson teaches

Computer simulations let scientists test conservation ideas before acting in the real world. By changing one factor at a time, they predict how a solution affects population sizes and biodiversity.

Worked examples

Example 1

A model of a fishery sets a catch limit, runs decades of simulated seasons, and shows which limit keeps the fish population stable instead of collapsing.

Example 2

A model is only as good as its assumptions. A fishery model that assumes constant ocean temperature will be wrong in a warming decade.

Example 3

Run the model past the answer you want. A limit that looks stable for ten years and collapses in year twelve is not a stable limit.

Practice questions

  1. Identify one variable a conservation simulation might change.
  2. Design a simple simulation to test whether a catch limit saves a fish population.
  3. Explain how simulation results would guide you to revise a real conservation plan.

Watch the lesson

Every lesson comes with a video taught in English and Spanish — the same video the QR code in the printed workbook opens.

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En español

Simular la conservación

Las simulaciones por computadora permiten a los científicos probar ideas de conservación antes de actuar en el mundo real. Al cambiar un factor a la vez, predicen cómo una solución afecta el tamaño de las poblaciones y la biodiversidad.

Ejemplo 1: Un modelo de una pesquería establece un límite de captura, ejecuta décadas de temporadas simuladas y muestra qué límite mantiene estable la población de peces en lugar de colapsar.

Ejemplo 2: Un modelo vale lo que valen sus supuestos. Un modelo pesquero que supone temperatura oceánica constante se equivocará en una década de calentamiento.

Ejemplo 3: Corre el modelo más allá de la respuesta que quieres. Un límite que se ve estable diez años y colapsa en el año doce no es un límite estable.

More HS-LS4 Biological Evolution lessons

Four Factors of EvolutionHS-LS4-2Advantageous Traits SpreadHS-LS4-3AdaptationHS-LS4-4Environmental Change and SpeciesHS-LS4-5

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