‹ Biology simulationsBiology · IGCSE 0610 · 20 Human influences on ecosystemsSeven 3D simulations covering Topic 20.1 Food supply, 20.2 Habitat destruction, 20.3 Pollution and 20.4 Conservation. Farm a field, clear a forest, pollute a lake, watch plastic last for a century, warm the planet, manage a fishery and save an endangered species. Tabs marked Extended cover the Supplement.
Farmers use machinery, chemicals and selective breeding to grow more food. Switch each method on and watch the yield, then compare a monoculture with intensive livestock production.
Forests are cleared for housing, crops, livestock and natural resources. Clear the forest and let it rain.
Excess fertiliser or untreated sewage washes into a lake. Follow the chain of events over the following weeks.
Biodegradable waste is broken down by decomposers; most plastics are not. Let the years pass and see what is left on the beach and in the sea.
Carbon dioxide and methane in the atmosphere absorb heat radiated by the Earth. Add more of these gases and watch the temperature.
A sustainable resource is produced as fast as it is removed, so it does not run out. Set the fishing effort and the conservation measures, then fish for 30 years.
Each animal carries two alleles for many genes; the colours stand for the different alleles in the population. Let the population crash, then try to save it.
Seven interactive 3D simulations for Cambridge IGCSE Biology 0610 topic 20 Human influences on ecosystems: increasing food production with machinery, fertilisers, pesticides and selective breeding, monocultures and intensive livestock, deforestation and its effects, eutrophication, non-biodegradable plastics, the enhanced greenhouse effect, sustainable fishing and the conservation of endangered species with captive breeding, AI and IVF.
Seven 3D simulations covering Topic 20.1 Food supply, 20.2 Habitat destruction, 20.3 Pollution and 20.4 Conservation. Farm a field, clear a forest, pollute a lake, watch plastic last for a century, warm the planet, manage a fishery and save an endangered species. Tabs marked Extended cover the Supplement.
Human influences on ecosystems is a free, browser-based simulation for Cambridge IGCSE Biology 0610 (topic 20 Human influences on ecosystems). The course is assessed in Paper 1/2 (Multiple choice), Paper 3/4 (Theory), Paper 5 (Practical Test), Paper 6 (Alternative to Practical). Syllabus for examination in 2026-2028. There are 7 tabs, each a self-contained experiment with its own controls and live readings, and nothing to install: it runs on a laptop, tablet or classroom projector.
Full syllabus map: IGCSE Biology 0610 topic 20.
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