Explore / Upper secondary (ages 14–16) / Geography / Ecosystems
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- Components of an ecosystemNew: questions are written when you open itNew
- Food websNew: questions are written when you open itNew
- Nutrient cyclingNew: questions are written when you open itNew
- Small-scale ecosystemsNew: questions are written when you open itNew
- Global biomesNew: questions are written when you open itNew