Beashirye (Coleoptera) ya juya baya ba wai shine rukuni mafi girma ba tsakanin rayayyun halittu (akwai kusan jinsin 300,000), amma kuma mafi tsayayya ga bala'o'in halitta - a duk tarihin tarihin ɓoye ƙananan itsan danginsa kawai suka mutu.

Coleoptera: Chrysomelidae

Sakamakon sabon binciken an gabatar dashi a cikin Jaridar Proceedings of the Royal Society B, ta rahoto Lenta.ru.

Kwararrun masanan dabbobi sun maida hankali sosai ga keɓancewa (ɓullowar sababbin jinsuna) kuma sun manta cewa ƙonawa ba shi da mahimmanci don fahimtar tarihin dabbobi, in ji bayanin. A saboda wannan dalili, masanin binciken burbushin halittu Dena smith daga Gidan Tarihi na Halittar Tarihi a Jami'ar Colorado da takwarorinta sunyi nazari akan burbushin halittu sama da 5,500 na wakiltar duk tarihin abubuwan ɓoye (daga lokacin Permian - shekaru miliyan 284 da suka gabata) da tattara a duniya.

Ya juya cewa a cikin daruruwan miliyoyin shekaru kawai 35 na iyalan ƙwayar gwoza 354 sun mutu daga ƙari. Haka kuma, a cikin mafi yawan ƙananan ƙwayar irin ƙwaro (Polyphaga, kashi 90 na nau'ikan da aka sani), babu wasu rukunin gidaje kwata-kwata - sun tsira daga halakar Permian-Triassic da Cretaceous-Paleogene (lokacin da aka rasa abubuwan da suka gabata).

Kodayake sauran groupsungiyoyi na kwari suna iya zama daidai da tsayayya wa lalata, a tsakanin dalilan tabbatar da kwanciyar hankali na ƙwaro, Smith ya ba da ikon daidaitawa da sauri ga yanayin yanayi daban-daban, kazalika da sauƙin sauƙin abincin su: ƙwayoyin bishiyoyi suna cin tsire-tsire, algae da sauran dabbobi.

Amsoshin

Yawan kwari sun fi adadin sauran halittu masu rai girma a duniya, kuma irin ƙwaro suke ta birbishin kwari. Kimanin daya cikin hudu daga cikin sanannun nau'ikan halittu suna beetles, don haka ana iya kiran ƙasa "duniyar ɓoyayyen."

A lokacin juyin halitta, ƙwayoyin ƙwayoyin cuta sun saba da yanayin muhalli daban-daban. Etashirruka sune halittu masu rikitarwa a tarihin duniyarmu.

Misali, a duk tarihin juyin halitta, babu daya daga cikin iyalai gwanaye na ‘ya’yan ƙwayar gwoza, yawancin adadinsu, da ya ɓace.

Suna da ikon cin komai, daga algae zuwa ƙananan dabbobi, sun daidaita da kusan kowane yanayi kuma suna iya motsawa da sauri.

Bugu da kari, ci gaban su ta hanyar cikakken canji (kwai, tsutsa, pupa, manya) yana baka damar kirkirar hanyoyi da yawa don tsira.