Extant means "still existing". It is the opposite of extinct, and can be applied to species, cultures and works of culture (e.g., plays, poems) that are currently still in existence. In biology and ecology, extinction is the ceasing of existence of a species or group of species. ... In biology, a species is the basic unit of biodiversity. ... The word culture, from the Latin colo, -ere, with its root meaning to cultivate, generally refers to patterns of human activity and the symbolic structures that give such activity significance. ... This article or section does not cite its references or sources. ... Poetry (ancient Greek: poieo = create) is an art form in which human language is used for its aesthetic qualities in addition to, or instead of, its notional and semantic content. ...

In biology, the expression is commonly used in discussions of living and fossil species. For example, of the group of molluscs known as the cephalopods, there are approximately 600 extant and 7500 extinct species (Barnes, 1987). Biology is the branch of science dealing with the study of life. ... A fossil Ammonite Fossils (from Latin fossus, literally having been dug up) are the mineralized or otherwise preserved remains or traces (such as footprints) of animals, plants, and other organisms. ... Classes Caudofoveata Aplacophora Polyplacophora - Chitons Monoplacophora Bivalvia - Bivalves Scaphopoda - Tusk shells Gastropoda - Snails and Slugs Cephalopoda - Squids, Octopuses, etc. ... Orders Subclass Coleoidea Belemnoidea (extinct) Sepiida Sepiolida Spirulida Teuthida Octopoda Vampyromorphida Subclass Ammonoidea(extinct) Subclass Nautiloidea The Cephalopods (head-foot) are the mollusk class Cephalopoda characterized by bilateral body symmetry, a prominent head, and a modification of the mollusk foot, a muscular hydrostat, into the form of arms or tentacles. ...

In literature studies, the expression is commonly used to describe works whose manuscripts survive, and which are thus available to be studied. For example, Beowulf is the oldest extant manuscript written in English. Literature is literally acquaintance with letters as in the first sense given in the Oxford English Dictionary (from the Latin littera meaning an individual written character (letter)). The term has generally come to identify a collection of texts, which in Western culture are mainly prose, both fiction and non-fiction... A manuscript (Latin manu scriptus, written by hand), strictly speaking, is any written document that is put down by hand, in contrast to being printed or reproduced some other way. ... This article or section is missing references or citation of sources. ... Note: This page contains phonetic information presented in the International Phonetic Alphabet (IPA) using Unicode. ...

"Extant" is also a thrash/death metal band from Kalgoorlie, Western Australia. A vocabulary is a set of words known to a person or other entity, or that are part of a specific language. ... Wiktionary is a Wikimedia Foundation project intended to be a free wiki dictionary (hence: Wiktionary) (including thesaurus and lexicon) in every language. ...