| A | B |
|---|
| Ecosystem | interaction of biotic and abiotic components in an area |
| Biomass | amount of plant and animal matter in an area |
| Biome | Regional scale ecosystem |
| Capillary action | The upward movement of water |
| Leaching | Occurs when precipitation exceeds evapotranspiration |
| Humus | Decomposed organic matter |
| xerophytic | Arid or dry conditions |
| Producer | Green plants who use solar energy to photosynthesise |
| Consumer | An organism that does not get its energy directly from the sun |
| Herbivore | Eats green plants (producers) |
| Carnivore | Eats other animals |
| Omnivore | Eats animals and plants |
| Decomposer | Organism that lives on dead material |
| Photosynthesis | Process in green plants that grow using solar energy |
| Biodiversity | The number of different plant and animal species in an ecosystem |
| Afforestation | Planting trees |
| Deforestation | Cutting down trees |
| Overcultivation | Farming the land too much leading to soil erosion |
| Overgrazing | Allowing animals to eat all vegetation leading to soil erosion |
| Savanna | Tropical Grassland ecosystem |
| Sahel savanna | A Grassland region of Sub-Saharan Africa |
| Soil erosion | The removal of soil by wind or water |
| Food web | A diagram showing the many links between producers and consumers |
| Sponge effect | The effect of Peat and wetlands in soaking up flood waters |
| Sustainability | Using something in a way that protects it for future generations |
| Ecotourism | Holidaymakers viewing natural enviroments in a sustainable way |
| Adaptation | Ways that plants and animals have learned to live in difficult environments |
