Explore / Lower secondary (ages 11–14) / Geography / Ecosystems and biomes
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- What is an ecosystem?New: questions are written when you open itNew
- Global biomesNew: questions are written when you open itNew
- Tropical rainforestsNew: questions are written when you open itNew
- DesertsNew: questions are written when you open itNew
- Tundra and polar regionsNew: questions are written when you open itNew
- Coral reefsNew: questions are written when you open itNew
- Threats to ecosystemsNew: questions are written when you open itNew