Cactus Stickers for Android

11 things about Cactus Stickers

1. Many smaller cacti have globe-shaped stems, combining the highest possible volume for water storage, with the lowest possible surface area for water loss from transpiration.

2. Many cacti have short growing seasons and long dormancies, and are able to react quickly to any rainfall, helped by an extensive but relatively shallow root system that quickly absorbs any water reaching the ground surface.

3. Transpiration, during which carbon dioxide enters the plant and water escapes, does not take place during the day at the same time as photosynthesis, but instead occurs at night.

4. Their areoles identify them as cacti, and in spite of their appearance, they, too, have many adaptations for water conservation.

5. Like other succulent plants, most cacti employ a special mechanism called "crassulacean acid metabolism" (CAM) as part of photosynthesis.

6. Almost all cacti are succulents, meaning they have thickened, fleshy parts adapted to store water.

7. Cactus stems are often ribbed or fluted, which allows them to expand and contract easily for quick water absorption after rain, followed by long drought periods.

8. As well as defending against herbivores, spines help prevent water loss by reducing air flow close to the cactus and providing some shade.

9. Because transpiration takes place during the cooler, more humid night hours, water loss is significantly reduced.

10. Unlike many other succulents, the stem is the only part of most cacti where this vital process takes place.

11. Cacti show many adaptations to conserve water.