Poaceae species in about 771 genera that are classified into 12 subfamilies. See the full list of Poaceae genera. Grasses are, in human terms, perhaps the most economically important plant family. Their economic importance stems from several areas, including food production, industry, and lawns. They have been grown as food for domesticated animals for up to 6,000 years and the grains of grasses such as wheat, rice, maize (corn) and barley have been the most important human food crops. Grasses are also used in the manufacture of thatch, paper, fuel, clothing, insulation, timber for fencing, furniture, scaffolding and construction materials, floor
The Behavior of Organisms The Behavior of Organisms The Behavior of Organisms is B.F. Skinner's first book and was published in May 1938 as a volume of the Century Psychology Series. It set out the parameters for the discipline that would come to be called the experimental analysis of behavior (EAB) and Behavior Analysis. This book was reviewed in 1939 by Ernest R. Hilgard. Skinner looks at science behavior and how the analysis of behavior produces data which can be studied, rather than acquiring data through a conceptual or neural process. In the book, behavior is classified either as respondent or operant behavior, where