A sailors small bag to hold thread, needles, tape, etc.; --. also called sailor's housewife. US Navy --. DITTY BAG: A ditty bag (or box) was originally called a ditto bag because it contained at least two of everything: two needles, two spools of thread, two buttons, and so forth.
A classification should establish the natural relationships between the classes of objects, with the goal of defining an objectâs place in the system; the definition should also indicate the objectâs properties.he present system of binomial nomenclature identifies each species by a scientific name of two words, Latin in form and usually derived from Greek or Latin roots. The first name (capitalized) is the genus of the organism, the second (not capitalized) is its species.
Biological classification, or scientific classification in biology, is a method of scientific taxonomy used to group and categorize organisms into groups such as genus or species. These groups are known as taxa.