| Front | What are stable communities |
| Back | Communities where all the species and environmental factors are in balance so that the population sizes are roughly constant (they may go up and down in cycles). For example tropical rainforests and ancient oak woodlands. |
| Front | What is deforestation |
| Back | The cutting down of forests, often on a large scale. |
| Front | What human processes use land |
| Back | Building, quarrying, farming and dumping wasteThis means there is less land left for other organisms |