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A tree structure, tree diagram, or tree model is a way of representing the hierarchical nature of a structure in a graphical form. It is named a "tree structure" because the classic representation resembles a tree, although the chart is generally upside down compared to a biological tree, with the "stem" at the top and the "leaves" at the bottom.
It is a computer program, or part of one, used for displaying, organizing, and editing hierarchically arranged text in an outline's tree structure. Textual information is contained in discrete sections called "nodes", which are arranged according to their topic-subtopic (parent-child) relationships, sort of like the members of a family tree.
Parts of plant stem Euonymus alata, an example of alate stems Saraca cauliflora, an example of cauliflora Sciadopitys verticillata, an example of a verticillate plant. Accessory buds – an embryonic shoot occurring above or to the side of an axillary bud; also known as supernumerary bud. Acrocarpous – produced at the end of a branch.
Tree topology, a topology based on a hierarchy of nodes in a computer network; Tree diagram (physics), an acyclic Feynman diagram, pictorial representations of the mathematical expressions governing the behavior of subatomic particles; Outliners, a common software application that is used to generate tree diagrams; Network diagram; Tree ...
3 Examples. Toggle Examples subsection. 3.1 A family tree. 3.2 An ancestry tree. 3.3 A cladogram. 4 See also. Toggle the table of contents. Template: Tree list ...
It shows a branching diagram of the plant and animal kingdom against a geological background. The tree of life image that appeared in Darwin's On the Origin of Species, 1859; Early classification chart are often visualized in a tree structure. Modern charts can also be presented in table or as an infographic.
It is composed of water-conducting cells and associated cells which are often living, and is usually pale in colour. It transports water and minerals from the roots to the upper parts of the tree. The oldest, inner part of the sapwood is progressively converted into heartwood as new sapwood is formed at the cambium. The conductive cells of the ...
A binary tree can be implemented as a list of lists: the head of a list (the value of the first term) is the left child (subtree), while the tail (the list of second and subsequent terms) is the right child (subtree).