Predator–Prey Population Lab

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دربارهٔ این شبیه‌سازی

Compare starting populations in a closed ecosystem. Prey have limited resources; predators depend on prey. Continuous values represent a model, not counts of individual animals.

دانش‌آموزان چه چیزهایی را می‌توانند کاوش کنند

Use carrying capacity 100 and compare starting populations below.
Move Observation time to 0, 20, 40 and 80. Record one prey and predator pair at each time on the back.

اهداف یادگیری

1Compare starting populations without treating the model as a wildlife forecast.

پرسش‌هایی که معلم‌ها می‌پرسند

What assumptions does this model use?

Equations: dN/dt = 0.6N(1-N/K)-0.02NP; dP/dt = 0.004NP-0.3P. Time is in model units. Curves may damp toward equilibrium; repeated large cycles are not guaranteed.

How do I reset the investigation?

Use Reset experiment to restore the starting controls. Use the sliders with a pointer, touch or keyboard. The model runs without an account.

این شبیه‌سازی را جاسازی کنید

آن را در LMS، وبلاگ یا وب‌سایت کلاس خود قرار دهید — رایگان.

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به برنامه‌ریزی ادامه دهید

Predator and prey: read the population graph — worksheet and teacher notes (PDF, English)

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