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Extant is the opposite of the word extinct. It may refer to: Extant hereditary titles; Extant literature, surviving literature, such as Beowulf, the oldest extant manuscript written in English; Extant taxon, a taxon which is not extinct, such as an extant species; Extant Theatre Company, a disability arts organisation
Extant is an American science fiction drama television series created by Mickey Fisher and, as executive producer, Steven Spielberg. The story revolves around astronaut Molly Woods ( Halle Berry ) [ 1 ] who returns home to her family inexplicably pregnant after 13 months in outer space on a solo mission.
The term ex-ante (sometimes written ex ante or exante) is a New Latin phrase meaning "before the event". [1] In economics, ex-ante or notional demand refers to the desire for goods and services that is not backed by the ability to pay for those goods and services. This is also termed as 'wants of people'.
Neontology is a part of biology that, in contrast to paleontology, deals with living (or, more generally, recent) organisms.It is the study of extant taxa (singular: extant taxon): taxa (such as species, genera and families) with members still alive, as opposed to (all) being extinct.
An alternative definition does not require any members of a crown group to be extant, only to have resulted from a "major cladogenesis event". [6] The first definition forms the basis of this article. Often, the crown group is given the designation "crown-", to separate it from the group as commonly defined.
A living fossil is a deprecated term for an extant taxon that phenotypically resembles related species known only from the fossil record. To be considered a living fossil, the fossil species must be old relative to the time of origin of the extant clade. Living fossils commonly are of species-poor lineages, but they need not be.
A clade is by definition monophyletic, meaning that it contains one ancestor which can be an organism, a population, or a species and all its descendants. [note 1] [10] [11] The ancestor can be known or unknown; any and all members of a clade can be extant or extinct.
The Hominidae (/ h ɒ ˈ m ɪ n ɪ d iː /), whose members are known as the great apes [note 1] or hominids (/ ˈ h ɒ m ɪ n ɪ d z /), are a taxonomic family of primates that includes eight extant species in four genera: Pongo (the Bornean, Sumatran and Tapanuli orangutan); Gorilla (the eastern and western gorilla); Pan (the chimpanzee and the bonobo); and Homo, of which only modern humans ...