Dietary changes, such as eating fresh and healthy food, may help reduce cramps as well. Try eating more: 1  calcium-rich foods, such as dried figs, ricotta cheese, and canned sardines.  foods high in antioxidants, such as berries, tomatoes, and bell pepper.
The definition of classification is  a grouping of people or things in a systematic way. A separation of clothing by winter and summer is an example of classification.
Biological classification is the process by which scientists group living organisms. Organisms are classified based on how similar they are. Historically, similarity was determined by examining the physical characteristics of an organism but modern classification uses a variety of techniques including genetic analysis.