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Science sequence · step 3 of 8

Ecology Visual Lab

Photo of Susanto GangulyCreated by Susanto Ganguly

Who eats whom, why populations rise and fall, and where the world's carbon goes — in 3D, then from Humboldt to the 2022 '30×30' nature targets.

  1. Step 1Food web 3DA meadow-and-woodland web in four 3D levels. Remove a species and watch the effects ripple; see the energy pyramid.
  2. Step 2Predator & preyRabbits and foxes on a 3D island, driven by the Lotka–Volterra equations. Change the rates and watch the cycles.
  3. Step 3Carbon cycle 3DAir, plants, soil, fossil fuels and ocean with real store sizes and flows. Switch human activity on and off.
  4. Step 4Research timelineFrom Malthus and Humboldt to planetary boundaries, with the original papers.
  5. Step 5Frontiers 2026eDNA, biodiversity from space, carbon sinks, rewilding, tipping points and gene drives.