Predator and prey populations cycle: when prey are plentiful, predator numbers rise; more predators reduce prey, which then causes predator numbers to fall — a repeating oscillation.
Prey: 30 — Predators: 3
About this simulation
This free Ecosystems Interactive simulation lets students change the inputs and watch the model respond in real time. Built for biology lessons, it runs in any browser with no signup and is ready for the projector or 1:1 devices.
What students can explore
- Adjust each control and see how it changes the ecosystems interactive model.
- Read the live formula as your numbers are substituted in.
- Compare predictions before and after you change a value.
Is the Ecosystems Interactive simulation free?
Yes. This Ecosystems Interactive simulation is completely free, with no signup and no download required — open it in any browser.
What grades is the Ecosystems Interactive simulation for?
It works across grade levels — run it on a projector for younger classes, or let older students explore the controls and readouts on their own devices.
Embed this simulation
Drop it into your LMS, blog, or class site — free, no sign-up.
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