Amsar tambayar, wane irin ƙwaƙwalwa ne kifi ke da shi, ana ba shi ta hanyar binciken masana ƙirar halitta. Suna da'awar cewa talakawansu (na kyauta da na akwatin kifaye) suna nuna kyakkyawan ƙwaƙwalwar ajiya na ɗan lokaci da gajere.
Japan da zebrafish
A kokarin fahimtar yadda ake kirkirar ƙwaƙwalwar ajiya na tsawon lokaci a cikin kifi, masana kimiyyar lissafi sun lura da zebrafish: ƙaramin kwakwalwarta mai sauƙin fahimta ya dace sosai da gwaji.
An yi amfani da wutar lantarki na kwakwalwa ne ta hanyar amfani da sunadarai masu kyalli, wadanda aka gabatar da kwayoyin halittar su cikin DNA din kifin a gaba. Amfani da ƙaramin fitarwa na lantarki, an koya musu barin ɓangaren akwatin kifaye inda aka kunna diode mai shuɗi.
A farkon gwajin, jijiyoyin yankin gani na kwakwalwa sun kasance cikin farin ciki bayan rabin sa'a, kuma kwana daya kawai daga baya ƙananan jijiyoyin jiki (kwatankwacin kwakwalwar kwakwalwa a cikin mutane) suka ɗauki sandar.
Da zaran wannan sarkar ta fara aiki, aikin kifin ya zama mai saurin walƙiya: shuɗin diode ya haifar da aikin jijiyoyin a wurin da ake gani, wanda ya kunna jijiyoyin gabban cikin rabin dakika.
Idan masana kimiyya sun cire rukunin yanar gizon tare da ƙwayoyin ƙwaƙwalwar ajiya, kifin ba zai iya ci gaba da haddacewa ba. Sun tsorata da shuɗin shuɗi kai tsaye bayan tasirin wutar lantarki, amma ba su mai da martani ba bayan awanni 24.
Har ila yau, masana kimiyyar halittu na kasar Japan sun gano cewa idan aka sake horar da kifi, za a canza ma’adanar da ya dade yana yi, kuma ba za a sake yin ta ba.
Memorywaƙwalwar kifi azaman kayan aikin rayuwa
Memorywaƙwalwar ajiya ce ke bawa kifi (musamman waɗanda ke zaune a wuraren ajiyar ruwa) don dacewa da duniyar da ke kusa dasu kuma su ci gaba da tserensu.
Bayanin da kifayen suke tunawa:
- Yankunan da suke da wadataccen abinci.
- Baits da lures.
- Direction na ruwa da kuma zafin jiki na ruwa.
- Wuraren da ke da haɗari.
- Abokan gaba da abokai.
- Wuraren kwana na dare.
- Lokaci.
Memorywaƙwalwar kifi na dakika 3 ko nawa ne ƙwaƙwalwar kifi
Ba zaku taɓa jin wannan rubutun ƙaryar ba daga masanin ilimin kimiya da masunta, wanda galibi ke kama teku da kogin "ɗaruruwan shekaru", waɗanda ke da daɗewar rayuwa ta hanyar ƙwaƙwalwar ajiya mai ƙarfi.
Kifin yana riƙe da ƙwaƙwalwa ta hanyar shiga da fita daga rashin bacci. Don haka, irin kifin yana zaɓar don hunturu wuri ɗaya, waɗanda suka samo su a baya.
Watancen da aka kama, idan aka yi masa alama kuma aka sake shi kaɗan zuwa gaba ko can ƙasa, tabbas zai dawo wurin da aka lalata.
Perch da ke zaune cikin garken yana tuna abokansu. Carps suna nuna irin wannan halin, suna ɓacewa zuwa cikin al'ummomin kusa (daga mutane biyu zuwa goma da yawa). Tsawon shekaru, irin wannan rukunin suna jagorantar salon rayuwa iri ɗaya: tare suna samun abinci, suna iyo a hanya ɗaya, suna bacci.
Asp koyaushe yana tafiya ta hanya daya kuma yana ciyarwa akan "nasa", da zarar yankin ya zaɓa.
Gwaje-gwaje a sassa daban-daban na duniya
Gano ko kifi yana da ƙwaƙwalwa, masana kimiyyar halittu sun yanke hukunci cewa mazaunan ruwa suna iya yin hotunan hotuna masu haɗaka. Wannan yana nufin cewa an ba kifayen ƙwaƙwalwa duka na gajere (na al'ada) da na dogon lokaci (gami da tunanin).
Jami'ar Charles Sturt (Ostiraliya)
Masu bincike suna neman hujja cewa kifi yana da ƙwaƙwalwar ajiyar ƙwaƙwalwa fiye da yadda ake tsammani. Matsayi na gwaji ya taka ne ta hanyar sandy mai yashi wanda ke zaune a cikin ruwa mai tsabta. Ya zama cewa kifin ya tuna kuma ya yi amfani da dabaru daban-daban, yana farautar nau'ikan nau'ikan 2 na abincinsa, sannan kuma ya tuna na tsawon watanni yadda ya gamu da mai farauta.
Gajeren ƙwaƙwalwar ajiya a cikin kifi (bai wuce yan secondsan daƙiƙu ba) shima an ƙaryata shi ta hanyar gwaji. Mawallafa sunyi la'akari da cewa kwakwalwar kifin tana adana bayanai har zuwa shekaru uku.
Isra'ila
Masana kimiyya na Isra’ila sun gaya wa duniya cewa kifin zinaren yana tuna abin da ya faru (aƙalla) watanni 5 da suka gabata. An ciyar da kifin a cikin akwatin kifaye, tare da kiɗa ta cikin masu magana a ƙarƙashin ruwan.
Wata daya bayan haka, an saki masoya kiɗa a cikin bahar, amma sun ci gaba da watsa waƙoƙin da ke sanar da farkon abincin: kifin ya yi biyayya cikin iyo har zuwa sanannun sautukan.
Af, gwaje-gwajen da suka gabata a baya sun tabbatar da cewa kifin zinare ya bambanta masu kirkirar kuma bazai rikitar da Stravinsky da Bach ba.
Arewacin Ireland
An kafa shi anan don kifin zinare ya tuna zafi. Ta hanyar kwatankwacin abokan aikinsu na kasar Japan, masana ilimin kimiyyar kimiyyar Arewacin Irish sun tursasa mazaunan akwatin kifaye da raunin wutar lantarki idan sunyi iyo cikin yankin da aka hana.
Masu binciken sun gano cewa kifin yana tuna bangaren da ya ji ciwo kuma baya iyo a can akalla kwana daya.
Kanada
Jami'ar MacEwan ta sanya cichlids na Afirka a cikin akwatin kifaye kuma ta tsoma abinci cikin yanki ɗaya na tsawon kwanaki 3. Sannan kifin ya koma wani akwati, daban da sifa da kuma girma. Bayan kwanaki 12, an dawo dasu akwatin kifaye na farko kuma sun lura cewa duk da dogon hutun, kifin ya taru a ɓangaren akwatin kifaye inda aka basu abinci.
Mutanen Kanada sun ba da amsar su game da yawan ƙwaƙwalwar ajiyar kifi. A ra'ayinsu, cichlids suna kiyaye abubuwan tunawa, gami da wurin ciyarwa, aƙalla kwanaki 12.
Da kuma ... Australia
Wani ɗalibi ɗan shekara 15 daga Adelaide ya ɗauki nauyin gyara tunanin ƙwaƙwalwar kifin zinare.
Rorau Stokes ya saukar da fitilu na musamman a cikin akwatin kifaye, kuma bayan daƙiƙa 13 ya zuba abinci a wannan wurin. A farkon zamanin, mazaunan akwatin kifaye sunyi tunani na kimanin minti guda, kawai sai suka iyo zuwa alamar. Bayan makonni 3 na horo, sun kasance kusa da alamar cikin ƙasa da sakan 5.
Alamar ba ta bayyana a cikin akwatin kifaye ba har tsawon kwanaki shida. Ganin ta a rana ta bakwai, kifin ya kafa tarihi, kasancewar yana kusa da dakika 4.4. Aikin Stokes ya nuna kyakkyawan ikon ƙwaƙwalwar ajiyar kifin.
Wannan da sauran gwaje-gwajen sun nuna cewa baƙi na akwatin kifaye na iya:
- rikodin lokacin ciyarwa;
- ku tuna wurin ciyarwa;
- don bambance mai ciyarwa daga sauran mutane;
- fahimci sababbin "tsoffin abokan zama" a cikin akwatin kifaye;
- tuna mummunan ji kuma ku guje su;
- amsa ga sautuna kuma rarrabe tsakanin su.
Takaitawa - yawancin kifi, kamar mutane, suna tuna mahimman abubuwan da suka faru a rayuwarsu na dogon lokaci. Kuma sabon bincike don tallafawa wannan ka'idar ba zai daɗe da zuwa ba.
