Venus Flycatcher tsire-tsire ne na ban mamaki wanda yake asalin fadama na gabashin Amurka. Yana kama da furen talakawa mai doguwar kara, amma yana da fasali guda ɗaya mai ban sha'awa. Mai farauta ne. Jirgin saman Venus ya tsunduma cikin kamawa da narkar da kwari iri-iri.
Yaya furen farauta yake?
A waje, wannan ba tsirarren shuka bane musamman, wanda zai iya cewa, ciyawa. Mafi girman girman da ganye zai iya samu shine santimita 7 kawai. Gaskiya ne, akwai manyan ganye akan tushe, wanda ya bayyana bayan fure.
Rashin kwalliyar Venus flytrap yana da ɗan kamanceceniya da furannin ɗan tsuntsu mai farin ceri. Fure ne mai laushi iri ɗaya mai ɗimbin yawa da furanni da shuɗi mai launin rawaya. An samo shi a kan dogon tushe, wanda ke girma zuwa wannan girman saboda dalili. Da gangan aka ajiye furen a nesa mai nisa daga ganyen tarko don kada kwari masu ruɓuwa su fado cikinsu.
Venus flytrap yana girma cikin yankunan dausayi. Soilasa a nan ba ta da abubuwan gina jiki da yawa. Akwai ƙaramin nitrogen a ciki, kuma shine ake buƙata don ci gaban yau da kullun na yawancin shuke-shuke, gami da ƙuguwa. Tsarin juyin halitta yaci gaba ta yadda fure ta fara daukar wa kanta abinci ba daga kasa ba, amma daga kwari. Ya kirkiro wani kayan masarufi wanda zai rufe wanda ya dace da kansa nan take.
Ta yaya wannan ke faruwa?
Ganyen da aka shirya don kama kwari sun ƙunshi sassa biyu. Akwai gashin gashi masu karfi a gefen kowane bangare. Wani nau'in gashin kai, karami da sirari, ya mamaye dukkan fuskar ganye. Su ne "firikwensin" da suka fi dacewa waɗanda ke rajistar lambar takardar da wani abu.
Tarkon yana aiki ta hanzarta rufe rabin ganyayyaki tare da samar da rami rufe a ciki. Wannan tsari an fara shi bisa tsayayyar tsari mai mahimmanci. Abubuwan da aka lura game da filayen veus sun nuna cewa ruɓewar ganye yana faruwa bayan fallasa shi zuwa aƙalla gashi biyu daban, kuma tare da tazarar da bata wuce sakan biyu ba. Don haka, ana kiyaye furen daga ƙararrawa na ƙarya lokacin da ya sami ganye, alal misali, saukar ruwan sama.
Idan kwaro ya sauka akan ganye, to babu makawa yakan motsa gashi daban kuma ganyen yana rufewa. Wannan na faruwa da irin wannan saurin wanda hatta kwari masu sauri da kaifi basu da lokacin guduwa.
Sannan akwai ƙarin kariya guda ɗaya: idan babu wanda ya motsa ciki kuma ba a kunna gashin siginar, hanyar samar da enzymes masu narkewa baya farawa kuma bayan ɗan lokaci tarko ya buɗe. Koyaya, a rayuwa, kwarin, yana ƙoƙari ya fita, ya taɓa “firikwensin” da “ruwan narkewa” a hankali yana fara kwarara cikin tarkon.
Narkar da ganima a cikin jirgin saman Venus flytrap aiki ne mai tsawo kuma yana ɗaukar kwanaki 10. Bayan bude ganyen, kwasfa ne kawai na chitin ya rage a ciki. Wannan abu, wanda bangare ne na tsarin kwari da yawa, fure bazai iya narke shi ba.
Menene jirgin saman Venus ya ci?
Cin abincin furannin yana da banbanci sosai. Wannan ya hada da kusan dukkan kwari da zasu iya hawa kan ganyen ko ta yaya. Iyakar abin da aka keɓance sune manya-manya kuma masu ƙarfi. Jirgin saman Venus "yana cin" kwari, ƙwaro, gizo-gizo, ciyawar har ma da zato.
Masana kimiyya sun gano wani kaso a menu na fure. Misali, tsire-tsire mai cin nama ya cinye 5% na kwari masu tashi, 10% na beetles, 10% na ciyawa, da 30% na gizo-gizo. Amma mafi yawan lokuta, Venus flytrap na yin biki akan tururuwa. Sun mallaki 33% na yawan adadin narkar da abinci.
