Kodi Pterosauria inali kholo la mbalame?

Zomveka,Pterosauriazinali zamoyo zoyamba m’mbiri yotha kuuluka momasuka mumlengalenga.Ndipo mbalame zitayamba kuonekera, n’zomveka kuti Pterosauria ndi makolo a mbalame.Komabe, Pterosauria sanali makolo a mbalame zamakono!

Choyamba, tiyeni tinene momveka bwino kuti mbali yaikulu ya mbalame ndi kukhala ndi mapiko okhala ndi nthenga, osati kuuluka!Pterosaur, yomwe imadziwikanso kuti Pterosauria, ndi chokwawa chomwe sichinakhalepo kuyambira Late Triassic mpaka kumapeto kwa Cretaceous.Ngakhale ili ndi mawonekedwe owuluka omwe amafanana kwambiri ndi mbalame, alibe nthenga.Kuphatikiza apo, Pterosauria ndi mbalame zinali zamitundu iwiri yosiyana pakupanga chisinthiko.Mosasamala kanthu za mmene zinayambira, Pterosauria sikanatha kusanduka mbalame, ngakhalenso makolo a mbalame.

Nanga mbalame zinachokera kuti?Pakadali pano palibe yankho lotsimikizika m'magulu asayansi.Timangodziwa kuti Archeopteryx ndi mbalame yoyambirira yomwe timadziwa, ndipo idawonekera kumapeto kwa nthawi ya Jurassic, yomwe imakhala nthawi yofanana ndi ma dinosaurs, choncho ndi bwino kunena kuti Archeopteryx ndi kholo la mbalame zamakono.

N'zovuta kupanga mafupa a mbalame, zomwe zimapangitsa kuti kuphunzira za mbalame zakale zikhale zovuta kwambiri.Asayansi amatha kujambula chithunzithunzi cha mbalame zakale kutengera zomwe zagawika, koma thambo lenileni lakale lingakhale losiyana ndi momwe timaganizira, mukuganiza bwanji?

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