Cov hniav ntawm cov pterosaurs thaum ntxov qhia tias lawv tau noj rau crunchy invertebrates zoo li kab, lawv txoj kev tshawb fawb qhia. Tshaj li ntau lab xyoo ntawm kev hloov pauv, txawm li cas los xij, pterosaurs hloov mus rau noj yuav luag tsuas yog nqaij thiab ntses.
Pterodactyls noj dab tsi?
Pterosaurs nyob los ntawm lub sijhawm Triassic lig mus txog thaum kawg ntawm Cretaceous Period, thaum lawv tau ploj mus nrog rau cov dinosaurs. Pterosaurs yog carnivores, noj feem ntau ntawm ntses thiab tsiaj me. Ntau tus tau nuv claws thiab cov hniav ntse uas lawv siv los txeeb lawv cov tsiaj.
Pterosaurs noj li cas?
Raws li kev sib koom ua ke ntawm mandible morphology, ob peb pterosaurs tau pom zoo kom tau noj by skimming; kev ua si ntawm ya qis dua dej nrog lub ntsis ntawm lub hauv siab mandible raus thiab ntes cov khoom raug ntes ntawm kev sib cuag [2, 6, 7, 12–16].
Pterodactyl noj dab tsi rau menyuam yaus?
Pterodactyls yog cov neeg noj nqaij. Ntau tus tau nuv claws thiab cov hniav ntse uas lawv siv los tuav thiab tuav cov tsiaj txhu. Pterodactyls uas nyob ze dej pub feem ntau ntawm fish. Pterodactyls uas nyob deb ntawm dej tau noj tsiaj me.
Pob pterosaurs puas muaj hniav?
Pterodactyls tau ntev beaks nrog txog 90 tus hniav. Lawv siv cov hniav no los tua ntses, qhov tseem ceeb ntawm cov zaub mov hauv lawv cov zaub mov.
