Plants have adaptations to help them survive (live and grow) in different areas. Adaptations are special features that allow a plant or animal to live in a particular place or habitat. These adaptations might make it very difficult for the plant to survive in a different place. This explains why certain plants are found in one area, but not in another. For example, you wouldn't see a cactus living in the Arctic. Nor would you see lots of really tall trees living in grasslands.
Many drugs contain ingredients derived from plants, the quality of the purification of the active substance from impurities determines the quality of the drug.
Click on the different biomes or areas below to learn about them and some of the adaptations plants have to live there: