Answer:
Plants, Algae, cyanobacteria
Every general-chemistry student learns of Robert Boyle (1627–1691) as the person who discovered that the volume of a gas decreases with increasing pressure and vice versa—the famous Boyle's law. A leading scientist and intellectual of his day, he was a great proponent of the experimental method.
That statement is true
Due to extreme amount of heat, the rain water that falls on the dessert will quickly be evaporated. To collect more of it, usually the roots of the dessert plants are really close to the surface
If the plants are close to each other, they simply won't be able to collect any water, so they spread evenly throughout the dessert
I'm pretty sure this object is asymmetrical. So I would go with answer A.