How Saguaros Grow. Saguaros are a very slow growing cactus. In Saguaro National Park, studies indicate that a saguaro grows between 1 and 1.5 inches in the first eight years of its life. These tiny, young saguaros are very hard to find as they grow under the protection of a nurse tree, most often a palo verde, ironwood or mesquite tree.
A housing cooperative, or co-op, is a legal entity, usually a corporation, which owns real estate, consisting of one or more residential buildings; it is one type of housing tenure.
Cooperation. Cooperation is the process of working or acting together. In its simplest form it involves things working in harmony, while in its more complicated forms, it can involve something as complex as the inner workings of a human being or even the social patterns of a nation.