Film info
Film summary
What happens if you change the living factors of an ecosystem? Discover the effect of removing predators or introducing a new species into a habitat.Key facts
- The smallest change can tip the balance of the whole ecosystem.
- Biotic factors are living factors.
- The removal of a species can collapse the food chain.
- The introduction of a new species can bring disease and parasites.
Transcript
In all ecosystems all living things are highly dependent on each other and their physical environment.
But this means ecosystems are vulnerable.
A small change to just one element has knock-on effects that can threaten the whole system, putting all its life at risk.
Both abiotic changes – altering the environment, and biotic …
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