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Sanye da fata "makamai", ko me ya sa dabbobi masu rarrafe dole motsi na shugaban
A farko dabbobi masu rarrafe aban kasa daruruwan miliyoyin shekaru da suka wuce. Good kungiyar a yarda musu su da sauƙi hallaka invertebrate fafatawa a gasa, zama cikin tafin kafa 'shugabanni'. Daga wannan lokaci ya fara da heyday. A dominance na dabbobi masu rarrafe a duniya ya kai baba misali rabbai! Su ba kawai ya dauki dukan ƙasar, amma ya koma zuwa ga ruwa, wanda muhimmanci tura da tsoho kifi, sarautar a can. Haka kuma, masu rarrafe a cikin iska! Yau, masu rarrafe - wannan shi ne daya daga cikin mafi ban sha'awa, bambancin da m kungiyar dabbobi a duniya.
Yascherichny, maciji da kunkuru-harsashi irin tsarin da dabbobi masu rarrafe
Zai yiwu mafi kowa tsarin da dabbobi masu rarrafe - abin da ake kira yascherichny irin. Mutane alaka da shi, da kansa, mahaifa kashin baya, jiki da kanta, wutsiya da hudu wata gabar jiki. Kadangaru, crocodiles da tuatara. A gaba da irin - maciji. Watakila ba wajibi ne don bayyana cewa wakilan wannan bayyanar a kan extremities na magana kawai ba zai iya zama! Shi ne m, tare da wani elongated jiki, da abubuwa masu rarrafe - macizai da kadangaru, mutane da yawa suka yi hasãrar wata gabar jiki. Wakilai daga cikin kunkuru irin tsarin to duk bugawa shige yascherichnoe tsarin, amma kawai tare da wani alama - jiki a kewaye a cikin wani iko da makamai. Hakika, wannan kunkuru.
Sanye da "makamai"
Babban fasali na dabbobi masu rarrafe da cewa bambanta su daga sauran dabbobin - shi ne, ba shakka, musamman da motsi na duniya da kuma fata "makamai." A farko siffofin mun riga tattauna. Bari mu dubi na biyu alamar. Gaskiyar cewa halitta mai rarrafe fata ɓullo da iko jaraba Layer wanda Forms faranti da ɓamɓaroki. Kusan duk na dabba ta jiki da aka rufe wadannan "makamai", ko da eyelids da kuma na bakin ciki fata tsakanin da yatsun kafa! Wannan fata "sarkar mail" - wani karfi tsaro, da garkuwoyi, yawanci rufe saman shugaban - wani irin "kwalkwali". Wani lokaci a jaraba garkuwoyi proliferating kashi farantin. Su kare jiki makamai kamar mai rarrafe da kafafu.
Me dabbobi masu rarrafe dole motsi na shugaban
Kamar yadda aka sani, dabbobi masu rarrafe - a ci gaba da halittar dabba mai kafafuwa da suka zo a bakin. Daya daga cikin halaye da cewa rarrabe dabbobi masu rarrafe daga halittar dabba mai kafafuwa - shi ne gaban mahaifa kashin baya. Domin tsabta, bari mu ce cewa, misali, frogs ba wuyansa, kuma kai nan da nan ke zuwa cikin jiki. The wuyansa damar da masu rarrafe jũyar da kai ga gefen. Za ka iya tambayar, me ya sa dabbobi masu rarrafe dole motsi na shugaban? Amsa misali yashi lizard. Ji wani amo, ko da rustle wata dabba ba a kanta abu, da lizard nan da nan ya jũya ta kai zuwa gare shi, kuma yana ganin dukkan abin da ke faruwa. Idan ta na cikin hadari - ta gudu, amma idan yana da wani m ganima, da lizard kama shi, quite da basira fatattaka saukar a kan shi. The damar kunna ta kai a duk inda ya sa dabbobi masu rarrafe m, kusan imperceptible, kazalika da walƙiya-sauri dayansu. Shi ya sa dabbobi masu rarrafe dole motsi na shugaban.
Ban sha'awa game da macizai
Zai yiwu mafi musamman dabbobi masu rarrafe - macizai. Suna saba creep ba tare da wata gabar jiki taimako da kuma hadiye manyan ganima dukan. Macizai ne fundamentally daban-daban daga wasu halittu masu rarrafe sosai tsawo da kuma m jiki, wanda, bi da bi, take kaiwa zuwa wani sosai peculiar tsari na kayan ciki.
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