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Ikhadi ledayinaso No. 0244 kwe-2 027

Barosaurus

Igama lithetha: “heavy lizard”1

Yayitya: IzityaloIintamo-ndeiJurassic yamva ukuya ku-iCretaceous yokuqala

Barosaurus was a giant, long-necked plant eater that lived about 150 million years ago. It was one of the biggest animals of its time, with a neck so long it could reach high into the trees. But it probably kept its head low and swept its neck like a vacuum cleaner to munch on plants.1 2

Yaphila

158 ukuya ku-143 izigidi zeminyaka eyadlulayo4

iJurassic yamva ukuya ku-iCretaceous yokuqala

Iifosili zifunyenwe:

Fossils have been found in the United States (South Dakota, Utah, Montana, and possibly Colorado, Wyoming, and Oklahoma) and in Tanzania and Zimbabwe in Africa.1 2 4

Ubude

25 ukuya ku-27 m (82 ukuya ku-89 ft)1

Ubunzima

12 iitoni ukuya ku-20 iitoni (26,500 ukuya ku-44,100 lb)1

Ukuphakama

5.8 m (19 ft)

uqikelelo

Esona santya siphezulu

malunga ne-13 km/h (8 mph)

Ukubaleka, uqikelelo

Yaphila nini?

iTriassic

iJurassic

iCretaceous

Izigidi ezingama-252 zeminyaka eyadlulayo20114566, i-asteroyidi

Yayinkulu kangakanani?

Yayinde kangakanani?

Yayiphakame kangakanani?

uqikelelo

Yayinzima kangakanani?

inzima njengeendlovu ezingama-3

inde njengeemoto ezingama-6 zipakwe zilandelelanainde njengeebhanana ezingama-150 zilandelelanainzima njengeemoto ezingama-13inzima njengamavatala angama-4000inzima njengamagumbi okufundela apheleleyo abantwana angama-25inzima njengeebhere ezimhlophe ezingama-44iphakame ngokwaneleyo ukuba ilunguze efestileni yomgangatho 2ibinokubaleka iimitha ezili-100 ngemizuzwana engama-28 (oyena mntu ukhawulezayo udinga i-9,6)

Barosaurus wayemkhulu kangakanani xa ethelekiswa NAWE?

Yimathematika nje kwibhrawuza yakho. Akukho nto igcinwayo okanye ithunyelwe naphi na.

Yayikhawuleza kangakanani?

Umntu ohambayo malunga ne-5 km/h (3 mph)

Umntwana ekhwele ibhayisikile malunga ne-12 km/h (7 mph)

Barosaurus malunga ne-13 km/h (8 mph)

Ihashe elibaleka ngamandla malunga ne-65 km/h (40 mph)

Ingwenkala malunga ne-100 km/h (62 mph)

izinto ezimnandi

Iinyani ezimnandi

Barosaurus had 16 neck bones, more than its close relatives Diplodocus and Apatosaurus, and some of those neck bones were up to 50% longer.1

Its tail made up about half of its total body length, even though its tail was shorter than Diplodocus's tail.1

Barosaurus had only 9 back bones, while Diplodocus and Apatosaurus had 10. Scientists think one back bone may have turned into a neck bone.1

A study from 2016 suggested that Barosaurus could bend its neck from side to side a lot, but not up and down much. So it probably fed on low plants, not high trees.1

Some scientists think a dinosaur this big would have needed a huge 1.6-ton heart, and maybe even extra 'helper hearts' in its neck to pump blood to its brain.1

Barosaurus lived alongside famous dinosaurs like Allosaurus, Stegosaurus, and Brontosaurus in the Morrison Formation.1

Umfanekiso owenziwe yi-AI: Barosaurus — Umfanekiso owenziwe yi-AI obonisa indlela Barosaurus esenokuba wayekhangeleka ngayo, wenziwe yikhompyutha ngokwento eyaziwa zizazinzulu. Kukuqikelela nje: esona silwanyana sinokuba sasikhangeleka ngenye indlela, kwaye akukho mntu waziyo imibala yaso yokwenyani.

ubuzile

Eyona mibuzo ibuzwa kakhulu: Barosaurus

?How big was Barosaurus?

About 25 to 27 metres (82 to 89 feet) long and weighed 12 to 20 tonnes (13 to 22 short tons).1

?What did Barosaurus eat?

It was a plant eater (herbivore). It probably fed on low plants by sweeping its neck from side to side like a vacuum cleaner.1 2

?When did Barosaurus live?

It lived during the Late Jurassic period, about 152 to 150 million years ago.1

?Where was Barosaurus found?

Fossils have been found in the United States, especially in South Dakota, Utah, Montana, and possibly Colorado, Wyoming, and Oklahoma.1

?Is Barosaurus a dinosaur?

Yes, it is a dinosaur, a large sauropod dinosaur.1

?Was Barosaurus bigger than T. rex?

Yes, Barosaurus was much longer and heavier than Tyrannosaurus rex. Barosaurus reached 25 to 27 metres, while T. rex was about 12 metres long.1

?Did Barosaurus have feathers?

No one knows for sure, but no feathers have been found on Barosaurus fossils. A rare skin imprint shows scales, not feathers.3

?Could Barosaurus swim?

Probably not. It was a land animal with a long neck and tail, built for walking on land, not swimming.1

Inyaniso ngeentsomi

Intsomi: Some people think Barosaurus is the same as Brontosaurus or Diplodocus.

Inyaniso: Barosaurus is a different genus, though it is closely related to Diplodocus. It had a longer neck and shorter tail than Diplodocus.1

Kwiingcali zeedayinaso

Igama lenzululwazi: Barosaurus
Inikwe igama ngu:: Marsh 18904
Iqela: Iintamo-nde
Usapho / iclade: Diplodocidae4
Ukuhlelwa: Sauropodomorpha > Sauropoda > Diplodocoidea4
Ubudala bamatye: 158 ukuya ku-143 izigidi zeminyaka ()4
Izakhiwo zamatye: Morrison, Kadzi4
Amazwe: iUSA, iZimbabwe4
Iirekhodi zeefosili: 19 kwi-Paleobiology Database4
Ikwaziwa ngokuba: Gigantosaurus (amagama amadala ngoku abalwa njengesilwanyana esinye)4
Ukufunyanwa: The first Barosaurus fossils were found in 1889 in South Dakota by Isabella R. Ellerman, and then excavated by Othniel Charles Marsh and John Bell Hatcher. Marsh named it Barosaurus lentus in 1890.1
Kusaxoxwa ngayo: Scientists still debate how Barosaurus held its neck and how blood reached its brain. Some think it held its neck low, while others think it could raise it high.1

Apho iinyani zivela khona

Barosaurus (en.wikipedia.org)
Barosaurus | Natural History Museum (nhm.ac.uk)
Barosaurus lentus - Dinosaur National Monument (U.S. National Park Service) (nps.gov)
Barosaurus in The Paleobiology Database (CC BY 4.0): ubudala, iindawo, izakhiwo zamatye, ukuhlelwa.

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