Resultado de búsqueda
Hace 1 día · Species that are not globally extinct are termed extant. Those species that are extant, yet are threatened with extinction, are referred to as threatened or endangered species. The dodo of Mauritius, shown here in a 1626 illustration by Roelant Savery, is an often-cited example of modern extinction.
- (list)
Hace 1 día · Laetoli, Tanzania is one of the most important palaeontological and palaeoanthropological localities in Africa. We report on a survey of the extant terrestrial gastropod faunas of the Laetoli-Endulen area, examine their ecological associations and re-examine the utility of Pliocene fossil molluscs in palaeoenvironmental reconstruction. Standardised collecting at 15 sites yielded 7302 ...
Hace 13 horas · Notably, no extant chelicerate taxon described to date features a monocondylar joint connecting the chelicerae to the body (Foelix, 2011). It is worth noting that many studies conducted in the past relied on classical preparatory approaches; however, modern investigations, such as micro-CT or the application of virtual functional kinematics, may potentially reveal earlier results to be inaccurate.
Hace 2 días · Our results show that the cervical series of these reptiles can be divided into modules corresponding to those of extant animals. Tanystropheids achieved neck elongation through somite elongation and a shift between cervical and thoracic regions, without presacral vertebrae count increase—contrary to crown archosaurs.
Hace 6 días · The order currently comprises 502 extant species, which are grouped into 81 genera. The majority of primates live in South and Central America, Africa, and southern and Southeast Asia, in a variety of habitats, particularly forests but also including grasslands, savannas, shrublands, wetlands, deserts, and rocky areas.
Hace 5 días · Aves (birds) See text for extinct groups. Reptiles, as commonly defined, are a group of tetrapods with an ectothermic ('cold-blooded') metabolism and amniotic development. Living reptiles comprise four orders: Testudines ( turtles ), Crocodilia ( crocodilians ), Squamata ( lizards and snakes ), and Rhynchocephalia (the tuatara ).
Hace 4 días · There are only eight extant species with eponymous English names whose regular breeding and nonbreeding ranges occur entirely within the U.S. and Canada or nearly so: Clark’s Nutcracker, Smith’s Longspur, McKay’s Bunting, Bachman’s Sparrow, LeConte’s Sparrow, Nelson’s Sparrow, Harris’s Sparrow, and Henslow’s Sparrow.
![Extant: The Second Season [4 Discs] [DVD] - Best Buy](https://mx.images.search.yahoo.com/search/images?q=Extant&ei=UTF-8&fl=0&rd=r2&xargs=0&norw=1&age=1w&hsimp=yhs-elex_22find&hspart=Elex&fr=yhs-Elex-elex_22find&th=106.5&tw=84&imgurl=https%3A%2F%2Fpisces.bbystatic.com%2Fimage2%2FBestBuy_US%2Fimages%2Fproducts%2F4745%2F4745700_so.jpg&rurl=https%3A%2F%2Fwww.bestbuy.com%2Fsite%2Fextant-the-second-season-4-discs-dvd%2F4745700.p%3FskuId%3D4745700&size=1679KB&name=Extant%3A+The+Second+Season+%5B4+Discs%5D+%5BDVD%5D+-+Best+Buy&oid=5&h=3600&w=2836&turl=https%3A%2F%2Ftse1.mm.bing.net%2Fth%3Fid%3DOIP.ZVA6yJlqvoPcrPcBpTWwIQHaJZ%26pid%3DApi%26rs%3D1%26c%3D1%26qlt%3D95%26w%3D84%26h%3D106&tt=Extant%3A+The+Second+Season+%5B4+Discs%5D+%5BDVD%5D+-+Best+Buy&sigr=dr9FCEe1nDjG&sigit=EUM5.psWUIaL&sigi=G5WRYe9UHYwE&sign=F_yRqi0CsoVp&sigt=F_yRqi0CsoVp "Extant: The Second Season [4 Discs] [DVD] - Best Buy")
