Wadatacce
- Tsarin Amphibian
- Nau'in haɓakar amphibians
- Shin amphibians suna da oviparous?
- Yaya tsarin haifuwa na amphibians?
- Sake haifuwa na caecilians
- Haihuwar wutsiyoyi
- haifuwar kwado
- Me yasa Ruwa Ya zama Dole Ga Kiwon Amphibian
- Ci gaban Amphibian embryonic
- Matsayin kiyaye Amphibian
Ofaya daga cikin manyan fannonin juyin halitta shine cinye muhallin ƙasa ta hanyar dabbobi. Wucewa daga ruwa zuwa ƙasa wani lamari ne na musamman, ba tare da wata shakka ba, wanda ya canza ci gaban rayuwa a doron ƙasa. Wannan kyakkyawan tsari na miƙa mulki ya bar wasu dabbobi da tsaka -tsakin tsarin jiki tsakanin ruwa da ƙasa, waɗanda suka dace da yanayin yanayin ƙasa, amma gabaɗaya sun kasance a haɗe da ruwa, galibi don haifuwarsu.
Abin da aka fada a sama yana nufin 'yan amphibians, waɗanda sunansu ya fito daidai daga rayuwarsu ta biyu, na ruwa da na ƙasa, ƙwaƙƙwaran ƙwayoyin halittu waɗanda a halin yanzu suna da ikon metamorphosis. Amphibians suna cikin ƙungiyar tetrapod, amniotes ne, wato, ba tare da jakar amniotic ba, kodayake tare da wasu keɓaɓɓu, kuma mafi yawan numfashi ta hanyar gills a cikin tsatson tsutsa da kuma ta huhu bayan metamorphosis.
A cikin wannan labarin na PeritoAnimal, muna son ku san yadda waɗannan dabbobin ke hayayyafa, tunda yana ɗaya daga cikin abubuwan da ke haɗa su da yanayin ruwa. Karanta kuma koyi game da amphibians haifuwa.
Tsarin Amphibian
A halin yanzu, an rarrabe 'yan amphibians zuwa Lissamphibia (lissamphibia) kuma wannan rukunin, bi da bi, rassa ko rarrabuwa zuwa uku:
- gymnophiona: galibi an san su da caecilians kuma ana halin su da rashin kafa. Bugu da ƙari, su ne waɗanda ke da ƙananan nau'ikan.
- Tail (Tail): daidai da salamanders da newts.
- Anura: yayi daidai da kwaɗi da toads. Koyaya, yana da kyau a lura cewa waɗannan sharuɗɗan guda biyu ba su da inganci na haraji, amma ana amfani da su don rarrabe ƙananan dabbobi da fata mai santsi da danshi, daga waɗanda ke da bushewar fata da wrinkled.
Don ƙarin bayani, muna ƙarfafa ku da ku karanta wannan sauran labarin akan Halayen Amphibian.
Nau'in haɓakar amphibians
Duk waɗannan dabbobin suna da nau'in haɓakar jima'i, duk da haka, suna bayyana dabaru iri -iri iri -iri. A gefe guda, duk da cewa kowa ya yarda cewa duk masu rarrafe suna da yawa, amma ya zama dole a fayyace wannan lamarin.
Shin amphibians suna da oviparous?
Cecilias suna da hadi na ciki, amma suna iya zama oviparous ko viviparous. Salamanders, a gefe guda, na iya samun hadi na ciki ko na waje, kuma dangane da yanayin ci gaban tayi, suna nuna hanyoyi da yawa dangane da nau'in: wasu suna sa ƙwayayen ƙwai da ke bunƙasa a waje (oviparity), wasu suna riƙe ƙwai a cikin jikin mace , fitar da lokacin da aka kafa tsutsa (ovoviviparity) kuma a wasu lokuta suna ajiye tsutsotsi a ciki har sai sun daidaita, suna korar cikakkun mutane (viviparity).
Dangane da anuran, galibi suna da oviparous kuma tare da hadi na waje, amma kuma akwai wasu nau'in tare da hadi na ciki kuma, bugu da kari, an gano yanayin yanayin rayuwa.
Yaya tsarin haifuwa na amphibians?
Mun riga mun san cewa dabbobi masu rarrafe suna bayyana siffofin haihuwa da yawa, amma bari mu sani dalla -dalla yadda amphibians ke haifuwa.
Sake haifuwa na caecilians
Maza caecilians suna da gabobin kwakwalwa da abin da mata taki. Wasu nau'in suna sanya ƙwai a wuraren rigar ko kusa da ruwa kuma mata suna kula da su. Akwai wasu lokuta inda suke da ƙwayoyin cuta kuma suna kiyaye tsutsa koyaushe a cikin oviduct, wanda suke ciyarwa.
Haihuwar wutsiyoyi
Dangane da caudates, raguwar adadin nau'ikan suna bayyana hadi na waje, yayin da yawancinsu suna da takin ciki. Namiji, bayan ya yi zawarci, ya bar maniyyi a kan wani ganye ko reshe don daga baya mace ta ɗauke shi. Ba da daɗewa ba, ƙwai za su hadu a cikin jikin mahaifiyar.
A gefe guda kuma, wasu nau'in salamanders suna rayuwa gaba ɗaya cikin ruwa kuma kwan ɗin ƙwai yana faruwa a cikin wannan matsakaici, yana sanya su cikin taro ko ƙungiya, kuma tsutsotsi suna fitowa da gutsuttsura da wutsiya mai siffa mai ƙyalli. Amma sauran salamanders kai wani balagagge terrestrial rayuwa bayan metamorphosis. Na karshen sa ƙwai a ƙasa a cikin nau'i na ƙananan bunches, yawanci a ƙarƙashin danshi, ƙasa mai taushi ko damfara.
Dabbobi da yawa suna kiyaye ƙwai don kariya kuma, a cikin waɗannan lokuta, ci gaban tsutsa yana faruwa kwata -kwata a cikin kwai, saboda haka, mutane masu siffa irin ta manya suna ƙyanƙyashewa daga gare ta. An kuma gano lamuran da mace ke kula da tsutsa yayin cikakken ci gaban su har zuwa lokacin balaga, a lokacin ne ake fitar da su.
haifuwar kwado
Namiji kwadi, kamar yadda muka ambata a baya, yawanci takin kwai a kasashen waje, kodayake ƙananan jinsuna suna yin sa a ciki. Suna jan hankalin mata ta hanyar fitar da wakokinsu, kuma lokacin da ta shirya, sai ya matso kuma abin da aka makala ya faru, wanda shine matsayin namiji akan mace, ta yadda yayin da ta saki kwai, namiji zai yi taki.
Juyawar waɗannan dabbobin na iya faruwa ta hanyoyi daban -daban: a wasu lokuta ruwa ne, wanda ya haɗa da hanyoyi daban -daban na saka ƙwai, a wasu kuma yana faruwa a cikin kumburin kumfa akan ruwa kuma ana iya yin shi ta hanyar arboreal ko ƙasa. Akwai kuma wasu lokutan da ci gaban tsutsa ke faruwa akan fatar uwar.
Me yasa Ruwa Ya zama Dole Ga Kiwon Amphibian
Ba kamar dabbobi masu rarrafe da tsuntsaye ba, amphibians suna samar da ƙwai ba tare da harsashi ko sutura mai ƙarfi ba wanda ya shafi tayi na waɗannan dabbobin. Wannan, ban da ba da izinin musayar gas tare da waje saboda yana da raɗaɗi, yana ba da babbar kariya daga busasshiyar muhalli ko wani matakin zafi mai yawa.
Ci gaban Amphibian embryonic
Saboda wannan, ci gaban amfrayo na amphibian dole ne ya faru a cikin ruwa mai matsakaici ko a cikin rigar yanayi don haka, ta wannan hanyar, ana kiyaye ƙwai, galibi akan asarar danshi, wanda zai zama mai mutuwa ga amfrayo. Amma, kamar yadda muka riga muka sani, akwai nau'in halittu masu rarrafe waɗanda basa saka su cikin ruwa.
A cikin wannan hargitsi, wasu dabarun shine yin hakan a wurare masu danshi, ƙarƙashin ƙasa ko ciyayi sun rufe shi. Suna kuma iya samar da ƙwai mai yawa da ke da hannu a cikin ƙirar gelatinous, wanda ke ba su kyakkyawan yanayin ci gaba. Hatta nau'in anuran da ke kai ruwa zuwa wurin duniya inda suke noma ƙwai an gane su.
Waɗannan kasusuwan kasusuwan misali ne bayyananne cewa rayuwa tana neman hanyoyin juyin halitta da suka wajaba don daidaitawa da haɓakawa a doron ƙasa, wanda za a iya gani a sarari ta hanyoyi daban -daban na haifuwa, wanda ya ƙunshi dabaru da yawa don ɗorewar ƙungiyar..
Matsayin kiyaye Amphibian
Yawancin nau'ikan halittu masu rarrafewa an lissafa su a cikin wasu ƙananan haɗarin ɓacewa, galibi saboda dogaro da su kan ruwayen ruwa da yadda za su iya zama masu saukin kai ga manyan canje -canjen da ke faruwa a halin yanzu a cikin koguna, tabkuna da dausayi.
A cikin wannan ma'anar, ana buƙatar ayyuka masu ƙarfi don dakatar da lalacewar da aka ƙaddamar da waɗannan muhallin halittu, don kiyaye dabbobi masu rarrafe da sauran nau'in da ke dogaro da waɗannan wuraren.
Idan kuna son karanta ƙarin labarai makamantansu Haihuwar Amphibian,, muna ba da shawarar cewa ku shiga ɓangaren Curiosities na duniyar dabbobi.