Duk da cewa amphibians sun yawaita a duk duniya, suna ɗaya daga cikin ƙananan dabbobin da kusan mutane basa amfani da su. Shin hakan a cikin yankuna masu zafi (kuma a cikin ɗaya daga cikin ƙasashen Turai, waɗanda ake kira mazaunansu "kwadi" don jarabar su da ƙafafun kwado), ana cin wasu nau'o'in amphibians, kuma masanan ilimin halittu suna son yin gwaji akan amphibians. Ainihin, amphibians da mutane suna rayuwa da kansu kuma da wuya su haɗu.
Rashin sha'awar kasuwancin mutum a cikin su ba ya sa 'yan amshi su gaji. Amphibians suna da halaye na kansu, wasu daga cikinsu suna da ban sha'awa sosai. Zabin da ke kasa yana dauke da hakoran da ba a tauna su ba, kwado kamar firiji, sabbin daskarewa, salamanders masu kashe wuta da sauran bayanai masu ban sha'awa.
1. Duk amphibians masu farauta ne. Hatta tsutsayensu suna cin abincin tsirrai ne tun suna kanana, sannan su canza zuwa abinci mai rai. Tabbas, wannan ba daga wani nau'in zubar jini na asali bane, baya wanzu a cikin ɗabi'a. A jikin amphibians, canzawa yana da rauni sosai, saboda haka zasu iya rayuwa kawai akan abincin dabbobi mai yawan kalori. Kada ku guji 'yan amshi da cin naman mutane.
2. Hakoran da wasu amphibians suke da shi ba'a tsara shi don taunar ganima ba. Kayan aiki ne don kamawa da kama shi. Amphibians suna haɗiye abinci gaba ɗaya.
3. Tabbas dukkan amphibians suna da jini-sanyi. Saboda haka, yanayin zafin yanayi yana taka muhimmiyar rawa a rayuwarsu.
4. Rayuwar amphibians tana farawa ne a cikin ruwa, amma yawancinta ana yin ta ne a ƙasa. Akwai 'yan amphibians da ke rayuwa musamman a cikin yanayin ruwa, amma babu wasu keɓantattun keɓaɓɓu, akwai nau'ikan da ke rayuwa kawai a kan bishiyoyi a cikin gandun dajin. Don haka "amphibians" suna ne madaidaiciya suna.
5. Koyaya, ko da galibi mafi yawan lokuta akan filaye, ana tilastawa amphibians komawa ruwa koyaushe. Fatar su na bada damar ruwa ya wuce, kuma idan ba a jika shi ba, dabbar zata mutu daga rashin ruwa. Da kansu, amphibians na iya ɓoye ɓoye don jiƙar fata, amma albarkatun ƙwayoyin su, ba shakka, ba su da iyaka.
6. Yatsarwar fata, wanda ke sa 'yan amphibians su zama masu rauni, yana taimaka musu yin numfashi daidai. Suna da huhu mai rauni sosai, saboda haka wasu iska da suke buƙata ana jan su cikin jiki ta cikin fata.
7. Adadin nau'in amphibian bai ma kai dubu 8 ba (mafi mahimmanci, akwai kusan 7 700 daga cikinsu), wanda ya ɗan zama rashi ga ɗayan ajin halittu. A lokaci guda, amphibians suna da matukar kulawa da mahalli kuma basa dacewa da canje-canje. Saboda haka, masana kimiyyar muhalli sunyi imanin cewa kusan kashi uku na nau'ikan amphibian suna fuskantar barazanar bacewa.
8. Amphibians sune kawai rukunin halittu da ke rayuwa a kan ƙasa waɗanda zuriyarsu a cikin ci gaban su suka shiga cikin mataki na musamman - metamorphosis. Wato, ba raguwar kwafin halittar baligi bace wacce take fitowa daga tsutsa, amma wata kwayar halitta ce, wacce daga baya ta zama babba. Misali, tadpoles shine kwaɗi a matakin metamorphosis. Babu wani matakin metamorphosis a cikin cigaban halittu masu rikitarwa.
9. Amphibians sun fito ne daga kifin da aka gishiri. Sunyi hanyar zuwa kasa kimanin shekaru miliyan 400 da suka gabata, kuma shekaru miliyan 80 da suka gabata sun mamaye duk mulkin dabbobi. Har sai dinosaur suka bayyana ...
10. Har yanzu ana bayanin dalilan bayyanar amphibians zalla. An yi amannar cewa sakamakon aikin aman wuta a Duniya, yanayin zafin iska ya karu, wanda ya haifar da mummunan murkushe sassan ruwa. Rage wadataccen abinci ga mazauna ruwa da raguwar iskar oxygen ya haifar da gaskiyar cewa wasu daga cikin halittun dake cikin ruwa sun bace, wasu kuma sun sami damar tashi a doron kasa.
11. Tsutsotsi kuma mallakar na amphibians ne - baƙon halittu waɗanda suke kama da gicciye tsakanin tsutsa da maciji. Tsutsotsi suna rayuwa ne kawai a cikin wurare masu zafi.
12. Kwaɗi na Dart da masu hawa ganye suna da guba sosai. Maimakon haka, ƙashin da suke ɓoyewa don jiƙa fata yana da guba. Kwai daya ya isa ga Indiyawan Kudancin Amurka su sanya kiban kiban da yawa masu dafi. Yawan guba mai guba ga babban mutum shine miligram 2.
13. Kwaɗi na gama gari, waɗanda aka samo su a cikin sassan ruwa na tsakiyar Rasha, suna ɓoye gamsai, wanda ke da tasirin kwayar cuta. Kwarin da ke cikin akwakunan madarar ba tatsuniya ba ce ga kaka, kuma ba hanya ce ta kare madara daga sata ba. Wannan tsohuwar analog ce ta firiji - kwadon kwadi yana kashe kwayoyin lactic acid kuma madara ba ta tsayi tsayi.
14. Sabbin, waɗanda suke amphibians, suna da mamaki juriya. Suna sabunta dukkan sassan jikinsu, har ma da idanu. Sabuwar sabuwa na iya bushewa zuwa yanayin mummy, amma idan ruwa ya hau kansa, yana rayarwa da sauri. A lokacin sanyi, sababbi cikin sauƙin daskarewa a cikin kankara sannan kuma su narke.
15. Salamanders suma amphibians ne. Sun fi son yanayin yanayi mai ɗumi, kuma a ɗan ƙaramin yanayin sanyi suna toshewa ƙarƙashin rassan, ganye, da sauransu kuma suna jiran mummunan yanayin. Salamanders suna da guba, amma gubarsu ba ta da haɗari ga mutane - matsakaicin na iya haifar da ƙonewar fata. Koyaya, bai kamata ku gwada gwajin ku don cutar dafin salamander ba.
16. Sabanin yadda ake yadawa, mai kashe wuta yana ci sosai a cikin wutar. Kawai dai murfin gamsai a fatarta yana da kauri sosai. Yana bawa amphibian damar samun secondsan daƙiƙu kaɗan masu tsada don gujewa wutar. Bayyanar sunan ya sami sauƙin ba kawai ta wannan gaskiyar ba, har ma da halayyar ɗabi'a mai zafi ta bayan mai salamar wuta.
17. Mafi yawan mutanen amphibians suna da ƙwarewa sosai a fagen zirga-zirgar ababen hawa. Kuma kwaɗi suna da cikakken ikon komawa gidajensu, ko da daga nesa.
18. Duk da karancin matsayinsu a tsarin ajin dabbobi, yawancin 'yan amshi suna gani da kyau, wasu kuma ma sun banbanta launuka. Amma irin wadannan dabbobin da suka ci gaba kamar karnuka suna ganin duniyar baki da fari.
19. Amphibians suna yin ƙwai galibi a ruwa, amma akwai jinsunan da ke ɗaukar ƙwai a bayansu, a baki har ma da ciki.
20. Mutane ɗayan ɗayan salamander suna girma har zuwa 180 cm a tsayi, wanda ya sa suka zama manyan amphibians. Kuma nama mai laushi ya sa katuwar salamanders a matsayin nau'in da ke cikin hatsari, saboda haka naman salamander da yawa yana da daraja a China. Fro na nau'in Paedophryne suna da ƙarami mafi girma a tsakanin amphibians, matsakaicin tsayinsa ya kai kimanin 7.5 mm.
