Nke a 'dinosaur kacha nta' tọrọ atọ na amba dị nde afọ 99, ọ dị ka ọ nwụrụ ụnyaahụ!

Okpokoro isi nnụnụ nke echekwara nke ọma na amber sitere na nde afọ 99 gara aga, nke a chọtara na Burma, bụ dinosaur kacha nta mara ugbu a.

Amber Burmese nwere okpokoro isi Oculudentavis fọrọ nke nta ka echekwara ya nke ọma n'ime.
Burmese amber nwere Oculudentavis okpokoro isi ọ fọrọ nke nta ka echekwara ya nke ọma n'ime. © Lida Xing

Ihe atụ, a na-akpọ "Oculudentavis nke ukwuu", tọrọ atọ n'ime mpempe amber nke dị n'etiti oge Mesozoic. Nke a pụtara n'agbata afọ 251 gara aga na nde afọ 65 gara aga. Lida Xing nke Mahadum Geosciences nke China nyochara mpempe amber na mbido 2020.

Okpokoro isi nke dinosaur a dị naanị milimita asaa n'ogologo

Nke a bụ nha nke yiri nke ahụ zunzuncito, nke bụ ụdị hummingbird kacha nta. Ya mere, ọ ga-eme ka ọ bụrụ dinosaur kacha nta mara, dịka akwụkwọ akụkọ ahụ si kwuo Nature.

“Dị ka anụmanụ niile tọrọ atọ n'ime amber, a na-echekwa ya nke ọma. Anyị nwere echiche na ọ nwụrụ ụnyaahụ, na-echekwa anụ ahụ ya niile dị nro na obere windo a nke oge ochie, " Jingmai O'Connor, onye ndu akwukwo a kwuru. Ọ bụ akụkụ nke Institute of Vertebrate Paleontology na Paleontropology na Beijing.

Nke a bụ ihe atụ nke dinosaur kacha nta. Foto: Han Zhixin / Mahadum Geosciences nke China
Nke a bụ ihe atụ nke dinosaur kacha nta. © Foto: Han Zhixin / Mahadum Geosciences nke China

Okpokoro isi na profaịlụ na-achịkwa nnukwu oghere anya, na-egosi na enwere anya na-ele anya n'akụkụ, dị ka nke ngwere. Site n'enyemaka nke nyocha ihe nyocha, ndị nchọpụta ahụ kpugheere agba nwere otu narị ezé nwere ọnụ n'ime onu okuko.

Ọ bụ obere anụ

"Ọ dịghị ka ụdị ọ bụla dị ndụ taa, yabụ anyị ga-enwe ike iche echiche ịghọta ihe ọdịdị ọdịdị ya pụtara. Otú ọ dị, okpokoro isi ya, ọtụtụ ezé na anya buru ibu na-egosi na n'agbanyeghị nha ya, ọ nwere ike ịbụ anụ ọhịa na-eri ụmụ ahụhụ. " dị ka ọkà mmụta ihe omimi si kwuo.

Ihe onyonyo sitere na nyocha CT nke okpokoro isi dinosaur kacha nta. Foto: Li Gang / Mahadum Geosciences nke China
Ihe onyonyo sitere na nyocha CT nke okpokoro isi dinosaur kacha nta. © Foto: Li Gang / Mahadum Geosciences nke China

Ụkwụ vertebrate na dinosaur nwere olu ogologo na nnukwu anụ ufe dị ka pterosaurs, na oge anụ ọhịa buru ibu.

Ọ bụ akụkụ nke microfauna nke naanị amber nwere ike ichekwa. Enweghị resin fosil a, "anyị agaghị ama ihe ọ bụla gbasara obere ihe ndị a, siri ike ịchọta karịa ndị buru ibu," Ọkà mmụta sayensị a kwuru.

Mgbe anyị na-eche banyere dinosaurs, anyị na-eche na nnukwu ọkpụkpụ, mana ugbu a, paleontology na-agbanwe kpamkpam ekele maka nchọpụta nke fossils echekwara n'ụzọ dị otú a. A ghaghị inwe iberibe DNA echekwara n'ime, nke anyị ga-esi na ya nweta ihe ọmụma dị oke ọnụ ahịa banyere otú ụwa tupu akụkọ ihe mere eme si malite.