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Edward Hitchcock's fold-out paleontological chart in his 1840 Elementary Geology. Although tree-like diagrams have long been used to organise knowledge, and although branching diagrams known as claves ("keys") were omnipresent in eighteenth-century natural history, it appears that the earliest tree diagram of natural order was the 1801 "Arbre botanique" (Botanical Tree) of the French ...
The idea of a tree of life arose from ancient notions of a ladder-like progression from lower into higher forms of life (such as in the Great Chain of Being).Early representations of "branching" phylogenetic trees include a "paleontological chart" showing the geological relationships among plants and animals in the book Elementary Geology, by Edward Hitchcock (first edition: 1840).
The blue and orange subgroups are clades, each defined by a common ancestor stem at the base of its respective subgroup branch. The green subgroup alone, however, is not a clade; it is a paraphyletic group relative to the blue subgroup because it excludes the blue branch, which shares the same common ancestor. Together, the green and blue ...
Cass Street Park is a series of large scale painted fiberglass sculptures designed to enhance a small park in the Brady Street neighborhood of Milwaukee. Elements include a cat-shaped gateway arch, a dragon, two light poles and a bird. All of the forms are painted in bright colors, adding to the whimsical feel of the site. [2]
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.
A San Diego-based ecotour operator has captured stunning aerial footage, perhaps first of its kind, showing Cuvier’s beaked whales swimming along the surface. Rare footage shows elusive ...
The Windy Whales: Chicago, Illinois: September 22, 1997: New construction has covered all but a sliver of wall. Signature still visible but not much else. 74: Orcas Passage: Indianapolis, Indiana: September 29, 1997 75: Song of the Whales: Cleveland, Ohio: October 6, 1997. Restoration completed and wall rededicated October 4, 2019 [15] 76 ...
Attack tree, conceptual diagrams showing how a target might be attacked; Fault tree diagram, diagram used in deductive failure analysis in various industries; Program structure tree, hierarchical diagram that displays the organization of a computer program; Treemapping, a method for displaying hierarchical data using nested figures, usually ...