Fasali da mazaunin kwado
Kwaɗi suna zama a cikin makiyaya a cikin dazuzzuka da dausayi, da kuma gefen bankunan rafuka masu kyau da manyan tabkuna masu kyau. Wadannan dabbobi na musamman sune fitattun wakilai na tsari na amphibians mara wutsiya.
Girman kwadi ya dogara da nau'ikan: kwadin Turai ba kasafai ya fi girma ba. Bakin-buzu na Arewacin Amurka na iya zama girma biyu. Kuma kwado Goliath na Afirka, wanda ke da irin rikodin rikodi, ya kai girman girma na rabin mita a girma kuma yana da nauyin kilogram da yawa.
Hoton shine kwalin Goliyat
Hakanan akwai ƙananan nau'in kwadi (dangi masu kunkuntar-kusurwa, ko microvaksha), tsawonsu bai wuce santimita ba.
A cikin hoton, kwado microvaksha
Alamomin waje rukuni na kwadi su ne: adadi mai tsada, fitattun idanu, gajarta idan aka kwatanta da ninke kafafuwan baya, gaban goshi, ƙananan hakora mara haƙori, harshe mai ƙira da rashin jela.
Fro dabbobi ne masu jini-sanyi, ma'ana, suna da yanayin zafin jiki wanda ya dogara kai tsaye da yanayin muhalli. An yi imanin cewa Afirka ita ce mazauninsu na asali.
Kwaɗi, toads da toads dangi ne na kusa da wutsiya waɗanda 'yan uwansu na wutsiya suke adawa da su: salamanders da sababbi. Kwaɗi kuma dabbobi masu shayarwa suma dangi ne na nesa irin na Chordov.
Kwaɗi – wadannan dabbobi nesamun launi daban. Kuma suna yin shi da kyau sosai don haka ba shi yiwuwa a iya bambanta su ta fuskar yanayin yanayi.
Bugu da kari, kwado wani nau'in dabba ne wanda ke da kwayayen da ke canza launin fata, wanda hakan ma ya ba ta ikon hadewa da dabi'a da kubuta daga makiyanta.
Akasin haka, yawancin kwadin an rarrabe su da launuka masu haske. Galibi, irin wannan kalar yaki yana nuna yawan guba daga nau'ikan kwado, saboda gland na musamman suna jikin fatar dabbobi wadanda ke samar da wani abu mai guba da cutarwa ga lafiya.
Launi mai haske na kwado, kamar yadda yake a hoto, na iya nuna gubarsa.
Koyaya, wasu suna kwaikwayon kawai, ma'ana, suna kwaikwayon masu haɗari, don haka suna gujewa daga abokan gaba, saboda haka ba shi yiwuwa a fahimta da tabbaci wanene daga ƙwayoyin dabbobin masu dafi. Abin takaici, da yawa nau'in kwadi suna gab da halaka.
Hali da salon rayuwa
Kwakwar Vertebrates gama gari ne a kusan dukkan ƙasashe da nahiyoyi, har ma a cikin dusar ƙanƙan ruwa. Amma sun fi son gandun daji na wurare masu zafi, inda akwai nau'ikan nau'ikan kwadin dabbobi da ƙananan su.
Suna son rayuwa cikin ruwa mai kyau. Koyaya, kwaɗi suna motsawa a kan ƙasa, suna yin tsalle-tsalle, hawa manyan rawanin bishiyoyi da haƙa ramuka na ƙasa. Kuma wasu nau'ikan na iya tafiya da gudu, haka kuma yin iyo, hawa bishiyoyi da shiryawa.
Hoton kwadi ne na damisa
Wani abin ban sha'awa mai ban sha'awa na kwadi shine cewa suna daukar oxygen a cikin fata. Koyaya, sananne ne sosai a yankin ƙasar Turai Bature kwadi kuma toads yana zuwa ruwa kawai don haifuwa.
Kwaɗo kamar su huhu buƙata ta kwadi don yin saututtuka na musamman, waɗanda galibi ake kira croaking. Ana yin wannan ta amfani da kumfa da sautunan sauti.
Saurari muryar kwado
Tare da taimakon irin waɗannan na'urori, wanda ɗabi'a ta samar da kwadi da toads, suna da ikon samar da mafi girman sautin. Wannan cacophony mai ban mamaki ne, kuma irin wadannan kyawawan kide-kide ne da kwadi na maza suka shirya, suna jan dangin wani jinsi.
Akwai abubuwa masu ban sha'awa da ban mamaki da yawa don koyo daga kallon kwado. Lokaci-lokaci, kwadon yana zubar da fatarsa, wanda ba abu ne mai mahimmanci ga rayuwa ba, kuma ta hanyar ci yana ci gaba da rayuwa har sai wani sabo ya girma.
Kwarin gida galibi ana ajiye su a cikin akwatinan ruwa don ƙoƙarin kusantar yanayi. Da yawa nau'in kwadi bred a cikin kimiyya dakunan gwaje-gwaje don gwaje-gwajen da nazarin halittu bincike.
Abinci
Kwarin kwari masu farauta ne, suna cin sauro cikin farin ciki, butterflies da ƙananan invertebrates. Musamman manyansu ba sa kyamar abin da ya fi burgesu; wasu nau'ikan kwadin dabbobin ma ba sa tausayin danginsu.
Don farautar wadanda abin ya shafa, kwadi suna amfani da harshe mai danko da doguwa, wanda da shi suke wayon kama midges, mazari da sauran halittu masu rai daidai tashi. Daga cikin nau'ikan kwadi, har ila yau akwai masu cin komai wadanda ke cin 'ya'yan itatuwa cikin nishadi.
Kwaɗi na ba da isassun fa'idodi ga mutane, suna lalata da cin yawancin tsutsotsi masu haɗari, ƙwari da ƙwaro. Sabili da haka, yawancin masu lambuna da makirce-makirce na sirri suna kula da irin waɗannan mataimakan tare da babban juyayi kuma suna ƙirƙirar duk yanayin kiwo da rayuwa a gare su.
Ana cinye kwadi, yana sanya su kayan abinci na asali waɗanda suke masu daɗi kuma ana amfani dasu don tebur masu kyau.
Sake haifuwa da tsawon rai
Kwaɗi sun yi kiwo, kwanciya da ƙwai a cikin ruwa, kuma yawansa yana da girma ƙwarai da gaske kuma yana ɓata tunanin, wani lokacin yakan kai ƙwai dubu 20 a lokaci guda. Wasu lokuta mata kan shiga wadannan kungiyoyin.
Tadpoji sun ƙyanƙyashe daga ƙwai. Canza ƙwai zuwa tadpoles yana ɗaukar kwanaki 7 zuwa 10.
Bayan lokaci, tadpoles sun fara canzawa sosai, sun bi matakin metamorphosis, wanda ya ɗauki kimanin watanni 4. Da shekara uku, kwaɗi sun balaga ga jima'i.
A cikin hoton akwai ƙwaiyen kwado
Auna rayuwar rayuwar kwadi yana da wahala. Amma bisa ga binciken kimiyya, ta amfani da auna girman girman yatsun hannu ta yanayi, an samu bayanai wadanda suka bada damar daukar cewa manya zasu iya rayuwa har zuwa shekaru 10, kuma suna la'akari da matakin tadpole, har zuwa shekaru 14.
