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- Dictionaryextant/ɛkˈstant/
adjective
- 1. still in existence; surviving: "an extant letter"
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3 days ago · How to use extant in a sentence. currently or actually existing; still existing : not destroyed or lost; standing out or above… See the full definition
3 days ago · Extinction is the termination of a taxon by the death of its last member. A taxon may become functionally extinct before the death of its last member if it loses the capacity to reproduce and recover. Because a species' potential range may be very large, determining this moment is difficult, and is usually done retrospectively.
4 days ago · Extinction occurs when species are diminished because of environmental forces (habitat fragmentation, global change, natural disaster, overexploitation of species for human use) or because of evolutionary changes in their members (genetic inbreeding, poor reproduction, decline in population numbers).
2 days ago · Around 6,400 extant species of mammals have been described and divided into 29 orders. The largest orders of mammals, by number of species, are the rodents , bats , and Eulipotyphla (including hedgehogs , moles and shrews ).
1 hour ago · Mantispidae is a cosmopolitan family of neuropteran insects, with approximately 395 extant species (Ohl et al ., 2004; Jepson, 2015; Engel et al ., 2018; Li et al ., 2023). The family includes some of the most distinctive of lacewings owing to their convergent traits with mantises (Mantodea), complete with elongate prothoraces, prominent and ...
3 days ago · Largest extant lizards. Here are the 15 largest extant lizards based on the most reliable measurements for size, including length and weight. These include family types Varanidae, Iguanidae and Teiidae exceeding 9 kg (20 lbs) in mass.
5 days ago · The Dome of the Rock is a shrine in Jerusalem built in the late 7th century CE that is the oldest extant Islamic monument in the world, believed to be the site of Muhammad’s ascent to heaven (the Mi‘raj). Its structure and ornamentation are rooted in the Byzantine architectural tradition.
