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.
The Classification of Living Things is a type of taxonomy. To use it, scientists match an organism to the proper subgroup starting at the top with Kingdom and working down to Species: Kingdom - determined based on how a living organism obtains its food. Phylum - divides organisms within a kingdom based on physical similarities which suggest a common ancestry. Class - divides organisms with a phylum based on another, more significant similarity. For example, mammals drink milk from their mothers.