Ecosystem

A family of tools that share one engine and grow with students across grades.

4 tools

Build a food web, then remove a species and watch the web wobble or collapse.

Wolves and moose on an island; set starting numbers and watch population cycles unfold.

Build an energy pyramid; see why only 10% of energy moves up each level and why there are fewer top predators.

Grow a deer population with limited food and predators; see logistic growth level off.