Kalli nassin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar nassin: Passage: Beak, bill, da / ko rostrum wani tsari ne na waje na tsuntsaye wanda ake amfani da shi don cin abinci da kuma yin gyare-gyare, sarrafa abubuwa, kashe ganima, fada, bincika abinci, yin kwalliya da ciyar da matasa. Ana amfani da kalmomin beak da rostrum don komawa zuwa wani ɓangare na baki a cikin wasu ornithischians, pterosaurs, kunkuru, cetaceans, dicynodonts, anuran tadpoles, monotremes (watau echidnas da platypuses, waɗanda ke da tsarin kamar beak), sirens, pufferfish, billfishes da cephalopods. Tambaya: Menene babban dalilin beak?
cin abinci