Izindaba UmphakathiUhlobo

Kwezitho zobulili zabantu nezilwane. Animal ukukhiqizwa kabusha. Umhlangano omkhulu kunayo yonke futhi izilwane kulencane

Abaningi banesithakazelo izilwane zasendle kanye nezici zayo. Kuyinto isipho kuwo wonke amagumbi eyodwa wonke. Kulesi sihloko ungathola ulwazi hhayi kuphela mayelana nezilwane ezinkulu kakhulu futhi encane, kodwa futhi uthole ukuthi yini izici kufanele kwezitho zobulili zabantu nezilwane futhi inqubo yokuzala.

Imininingwane kawonkewonke ngezilwane

Izilwane - abayikho abamele umbuso begazi. Ziyakwazi into eyinhloko cwaningo Zoology. Ngo amaseli isilwane tsentrosfera samanje. Kungenxa yalesi sizathu zabizwa ngokuthi eukaryotes. Letigaba letibalulekile teluhlelo izilwane ezilandelayo izici kungabandakanya:

  • Ukudla okulungiselelwe izinto eziphilayo.
  • ukunyakaza okusebenzayo.

Abaningi bakholelwa ukuthi kwezilwane kuhlanganisa ezincelisayo kuphela. Lokhu Ukubuka iphutha. Eqinisweni, izilwane nazo zihlanganisa izinhlanzi, izinyoni, izinambuzane kanye nabanye abaningi. Ngaphambili le umbuso begazi kufakwe futhi nezilwanyana ezincane ezithinta cell eyodwa kuphela. Manje inkulumo ethi "isilwane" sibhekisela kuphela eziphilayo ezinamangqamuzana amaningi.

Kuze kube manje, ososayensi abangaphezu kwesigidi echazwe ezihlukahlukene zezilwane. Indawo yokuqala ugajwe ngenani eyisinambuzane. Ochwepheshe basikisela ukuthi zonke phakathi kwezilwane livela nezilwanyana ezincane flagellated. Iningi lezinhlobo eyaziwa nezilwane uvele iminyaka eyizigidi ezingu-500 edlule. Nokho, ososayensi abaningi bakholelwa ukuthi kwenzeka kudala kakhulu kunalokho.
Zonke izilwane zidla nezinye izinto eziphilayo kuyisiphazamiso. Kungenxa yalesi sizathu, zingabantu heterotrophic. Zonke nezilwane ezihlukahlukene indlela ukunikezela zihlukaniswe amaqembu ezilandelayo:

  • Ezidla uhlaza.
  • Ezidla.
  • Izimuncagazi.
  • Omnivores.

Zonke izilwane zihluke nomunye empilweni, indlela yokudla nasekuvezeni izithombo zaso ezintsha. Kungenxa yalesi sizathu ukuthi bonke abamele emhlabeni isilwane zidingidwa ngokwehlukile.

Isakhiwo Izitho zokuzala ezimbuzini nezimvu. Izici kwesimiso sokuzala besilisa

Ezalayo uhlelo izitho lihlobene eduze ukusebenza kwawo wonke umzimba. injongo yabo eyinhloko - iyona phambili zilwane.

Zangasese Nezimvu ezingamaduna nezimbuzi kubandakanya:

  • Testes.
  • Imbewu izintambo futhi izintambo.
  • Ubulili nezindlala.
  • Scrotum.
  • isiteshi Genitourinary.
  • Umthondo.

Izitho zokuzala of izimbuzi nezimvu ukukhiqiza namamililitha ambalwa amalotha.

Testis - yisona sakhiwo main lowesilisa umsebenzi zokuzala. Kuyinto kumiswa ukuthuthukiswa isidoda. Futhi uzinake ukuthi testis amahomoni besilisa. Ngalesi umzimba inqama has a isisindo 300 amagremu nengxenye imbuzi.

Testis kuyinto okweqanda. Eduze kwalo kuyinto neseleko. Kukhona isidoda ovuthiwe ucele semali isikhathi.

Testis itholakala the scrotum. Ngo Nezimvu ezingamaduna nezimbuzi itholakala phakathi kwamathanga. Amazinga e-scrotum kuyinto ephansi kakhulu kunalokho kwezinye izingxenye zomzimba. Lokhu isici sisihle sokuthuthukiswa izingxenye amalotha.

isikhumba scrotal unomdlavuza. Indawo yayo embozwe sezinwele. Ngaphansi esikhumbeni senyama yindwangu nezimo. It yakha umgoqo futhi testis ihlukane izingxenye ezimbili.

Umsebenzi oyinhloko uhlelo genitourinary kakhulu ukuba nesizungu kusukela umzimba kwesidoda kanye nomchamo. Umzimba siqukethe mucosa le Tunica muscularis futhi, kanye ungqimba cancellous.

Izici kohlelo okuzala ka izimvu zezinsikazi ezingamakhulu izimbuzi

izilwane zinhlobo ezahlukene kwezitho zobulili buhluke kakhulu phakathi kwabo. Kungenxa yalesi sizathu ukuthi iqembu nezilwane ngamunye kufanele kubhekwe eceleni.
Ngu kwezitho zobulili okuzala ka nezinkabi esinezimpondo njengabesifazane zihlanganisa:

  • Amaqanda.
  • tube Fallopian.
  • Esithweni sowesifazane.
  • Kwesibeletho.
  • Izitho zangasese.

Amaqanda - the okusaqanda igunya. Basuke etholakala kule aphansi endaweni emuva. Kuyinto kulomzimba kwakheka besifazane ocansini amaseli bese hormone. Cishe bonke ubuso ezikhiqiza amaqanda imbozwe epithelium germinal. Ngaphansi kwalo ndawo follicular kwakhiwa lapho iqanda is, kanye follicle.

amashubhu Fallopian - kuyinto tube omncane ohlanganisa kwesibeletho. Ubude balo buyahluka 12 nengu-16 amasentimitha. Kulapha kokukhulelwa kwenzeka.
Kwesibeletho - umzimba lapho inkululeko nentuthuko fetus. Phakathi nenqubo zabasebenzi ke odlulela umntwana ngokusebenzisa emgudwini wokuzala. Kwesibeletho siqukethe izimpondo, umzimba nentamo.

Lokuzaliswa izinkomo. Ukuvundisa sokukhulelwa

Lokuzaliswa - kuyinqubo okungukuthi esivela kunoma iyiphi eziphilayo. Injongo eyinhloko ukuveza - iyona kabusha uhlobo yabo ukuzala. Lokusakaza izilwane yezilwane ezinomgogodla kungenxa uxhumano lamaseli ezimbili - isidoda kanye esibelethweni. kumiswa yabo kungenzeka kuphela emva kokuthomba. Ngo izimvu nezimbuzi kuziwa izinyanga 7-8 zokuphila. Ukuthomba kungenzeka kamuva. It kuncike izici zohlobo nesimo esingokomzimba.
Kuwo lo nyaka, izimvu nezimbuzi labetibambile imijikelezo eziningana ngokobulili. Ngamunye wabo kuthatha isilinganiso amasonto amabili izinsuku ezingu-20. Phakathi naso sonke umjikelezo zenzeka emzimbeni ezihlukahlukene izinguquko ezibaluleke kakhulu, okuwukuthi ukulungiselela ukuvundisa sokukhulelwa.

Uma emva kokukhulelwa sokukhulelwa lwenzeke ke izinsikazi ruminants amancane kwenzeka ngokulingene esiteji. Izitho zobulili kwezilwane Akasekho ukwakha iqanda ukuphila ngonyaka 8-10.

Endabeni kokukhulelwa emzimbeni we izimvu zezinsikazi ezingamakhulu izimbuzi buthelela izakhamzimba. Ukukhulelwa kuthatha isilinganiso izinyanga ezingaphezulu kwe-5.

Kwalapho kuhlangana khona imizwa kwezitho zobulili zabantu kwezilwane

Izitho zobulili kwezilwane abangele impikiswano eshubile phakathi Izazi. Ngabo kukhona eziyimpumelelo emsipheni. Ezinye Izazi zikholelwa ukuthi i-nerve isikhungo esizimele elikhona insikazi izitho zangasese. Nokho, ucwaningo kwezinye izazi musa uqinisekise lesi.

Kwesibeletho kuhlanganisa inqwaba kwalapho exhunyiwe nezinye izitho ezibalulekile. Lokhu kuyasisiza sibone ukuchaza okuvela ubuhlungu obuhlabayo emshikashikeni.

uhlelo ezalayo amahhashi. kokukhulelwa Izici

Ukuveza kanye ocansini ihhashi emizimbeni babe izici eziningana. Lokhu nokunye okuningi ungathola ku-athikili yethu.

Ngu iduna zangaphandle izitho zangasese zihlanganisa umthondo futhi testes. Insikazi Izitho zokuzala zihlanganisa ezikhiqiza amaqanda, kwesibeletho, esithweni sangasese futhi ngemomozi yakho. Isikhathi lapho ihhashi ilungele kokukhulelwa libizwa ukuzingela. Uthatha izinsukwana 3 kuya ku-10. Ngemva kokuphela kwesikhathi ukuzingela insikazi ungethele close wesilisa phakathi nenyanga. Ngokuvamile le nqubo ithatha indawo ehlobo noma ekwindla isizini. Kuleso simo, uma kungaba ukuthi ukukhulelwa kuphazamisa lwenzeke, inkathi ukuzingela iyaphindwa.
Lapho ukuzalela amahhashi ngokuvamile zisebenzisa insemination yokufakelwa. Lokhu kukuvumela ukuba balahle izinkinga nge yezokuthutha ukwenqena abesifazane ukuzalela. A sokukhulelwa kungabangela ukukhubazeka okukhulu kuphela ukufaka wezilwane. Ukuze wenze lokhu, elihlola kwesibeletho ngokusebenzisa ingemuva. Zangasese isilwane ngesikhathi sokukhulelwa zigcwala kubonakale.

Ukukhulelwa ihlala izinyanga 11. Isikhathi le nqubo incike yokudla, okuqukethwe kanye nobudala besikhumba saleso silwane. Isikhathi umjikelezo ngokobulili azalela izinsuku ezingu 20 kuya ku-24.

Izitho zokuzala e izimfene. Ngokungafani womuntu

Abaningi bakholelwa ukuthi abantu bavela ezilwaneni uhlobo lwenkawu olungavamile. Leli qiniso avame ukuphika Izazi. Lokhu kungenxa umehluko omkhulu kule netimphawu zohlobo. Ngokumangalisayo, izinkawu besilisa bayakwazi ukubona uma owesifazane sihamba isikhathi nge-ovulation. Kuyinto imfihlo ukuthi abantu lesi sici iyatholakala. izinkawu ezahlukene kanye nokuntuleka nambili kuya kwabadala. Lesi sici samanje kuphela zenye.

Izitho zangasese izinkawu izakhiwo zabo, nabo bebekhona sihluke kakhulu womuntu. Izinsikazi abanalo hymen. Owesilisa isitho sobulili kuhlanganisa isakhiwo yayo ithambo uqwanga.

Ukuhlukanisa insikazi yomhlambi upholi besilisa

Ngokuvamile abathandi animal ngizibuza indlela ukuhlukanisa abesilisa kusukela kwabanenyanga upholi zesifazane. zenzele wena kungenzeki efika kuqala. Kulesi sihloko, ungafunda mayelana izici ubulili ukuzimisela.

Parrot - inyoni usayizi encane, okuyinto kummeleli kwezilwane. Izinsikazi abe blue cere, pink noma ensundu. umbala wayo zingahluka ngokuya amazinga jikelele hormone. Abesifazane eziye zaphetha ukuthomba futhi alungele ukuvundisa, abe cere ensundu.
Ngo incazelo ocansini futhi kungasiza nobuhlobo bobulili noma mbumbulu yayo. Insikazi uhlale phansi, futhi balingise inqubo okuzivuselela besilisa kuphela.

Amalungu omncane kwezilwane

Akusiyo imfihlo ukuthi izilwane ezincane kakhulu - siyindlala. lemurs into encane bukhoma ku Esiqhingini saseMadagascar. ukuphakama yabo esiphezulu - 20 cm, nesisindo-avareji yamaphesende kungekho amagremu angaphezu kwangu-300. Lemurs kukhona ebusuku. Lezi zilwane basonta prosimians umndeni.
Izazi zikholelwa ukuthi ukuze isilwane ukuba sibe khona, isisindo sayo kufanele okungenani 2.5 amagremu. Nokho, kunokuningi okungakhulunywanga ngakho. Elibhekwa njengabaThwa Shrew elimhlophe-toothed ukala isigamu igremu. Ukuze uphile njalo ukudla. Daily Ukudla yemifino Shrew elimhlophe-toothed kungaphezu isisindo ayo. Kuyamangalisa ukuthi cishe akusho ukulala. Ukuze hhayi bafe, yena kufanele ukucinga emhlabeni ukudla iwashi.

Izilwane eziningi ezincane ngokuvamile kubangela nokujabula nokuthokoza. Ngezinye izikhathi, osayizi yabo ziyashaqisa. It has siqu idatha yayo amancane "ezincane", lonwabu. Ubude bayo hhayi amasentimitha angaphezu kwamathathu futhi ekukhuleni kwayo ngaphandle nomsila amamilimitha angu-16 kuphela. Kutholakele lonwabu kwaba ngo-2007. Izazi ziye wazichaza iminyaka emine kuphela edlule. Unwabu "Miniature" ezimbili imigqa spikes kanye ugema.

Inyoka kulencane - a microhylidae. Ubude wabo 10 amasentimitha. Microhylidae izinyoka akuzona anobuthi. Amaqanda izintuthwane nezinambuzane ezincane zisetshenziselwa amandla kubo. Fihla lezi zilwane esihlabathini noma ngaphansi amatshe. Ngokumangalisayo, insikazi angenza iqanda elilodwa kuphela. Akukhona ukuthi kumane kuqondane, ngoba umntwana usuke uhhafu ubukhulu kanina.

tilwane letinkhulu kakhulu phambi manje

Sarcosuchus - kuba ingwenya ngobukhulu. Wayelapho iminyaka eyizigidi ezingu-100 edlule. Ukudla Its kuhlanganisa hhayi kuphela inhlanzi, kodwa futhi izibankwakazi. Lokhu akusona isimanga, ngoba ekukhuleni kwayo kwaba mayelana 12 metres. Kuyaziwa ukuthi isisindo zokhahlamba-6 wamathani.
Izilwane eziningi ezinkulu eside kusukela yokuqothulwa. Enye abameleli - ke Gigantoraptor. Ngokumangalisayo, isikhumba dinosaur kuhlanganisiwe feathering. Giganoraptor wahlala iminyaka eyizigidi ezingu-80 edlule endaweni manje eyaziwa nge-China. Ubude bayo 8 m, nesisindo amathani 2.

Brontoskorpion - iyona scorpion ngobukhulu. Ubude bayo 1 imitha. Wayelapho iminyaka eyizigidi ezingu-400 edlule.

Dzhozefoartigasiya - ummeleli ngobukhulu phakathi namagundane. Kuyaziwa nokuthi likhona iminyaka 3 million edlule. ubude bayo ifinyelela 3 amamitha nesisindo amathani 2. Kukholakala ukuthi dzhozefoartigasii - iyona enkulu kunazo phakathi kwezilwane herbivorous ukuthi wahlala eNingizimu Melika.

Meganeura - kuyinto dragonfly ngobukhulu. Ubude bayo ababili izinyawo. Namaphiko dragonfly ezinjalo cishe imitha. Wayehlala eminyakeni million 300 edlule.

izilwane ezinkulu ezikhona namuhla. I-blue whale - njengezilwane zasolwandle. Kukholakala ukuthi isilwane esikhulu kunazo zonke emhlabeni. I-blue whale ubude 30 metres, isisindo sawo ububanzi ezingamathani angaba ngu-180. Ngokumangalisayo, esinye kuphela ulimi isilwane amathani angaphezu kwamabili. Kufanele kuqashelwe ukuthi cishe isisindo isilinganiso indlovu Asiatic. IMisa blue whale inhliziyo ingaphezu 500 kilograms. It udla plankton. Ngosuku akudlayo mayelana ezintathu amathani okudla.

indlovu Afrika - kuba isilwane ezweni ngobukhulu. Abesilisa afinyelela 7.5 amamitha amathathu ubude nesisindo esingaba amathani angu-6. Izinsikazi ezincane. Ubude wabo 7 amamitha kanye isisindo amathani 3.

Akusiyo imfihlo ukuthi silwane eliphakeme indlulamitsi. Uhlala e-Afrika. indlulamithi ubude 5-6 amamitha, nesisindo ububanzi kufika ku 1600 amakhilogremu. Intamo yomuntu isilwane anobude obungalingani. It ebangela acishe abe yisigamu ukukhula indlulamitsi.

Umhlaseli esikhulu kunazo zonke emhlabeni iyona Wik indlovu uphawu. Abesilisa kuhlaziywe-avareji yamaphesende 2 kuya kwezingu-4 amakhilogremu futhi afinyelela 6 metres ubude.
I silwane esikhulu kunazo zonke emhlabeni iyona ingwenya ezihlala emanzini anosawoti. Uhlala e-Australia, India nase-Asia. Isisindo omdala engxubeni yamanzi anosawoti ingwenya kungaba isukela abafika kwabangu-1000 amakhilogremu kanye nobude amamitha angu-5.5. It udla izinambuzane, izilwane eziphila emanzini nasezweni, mollusk nenhlanzi. Noma kunjalo, kungaba ukuhlasela noma iyiphi into ephilayo okuyinto insimu yalo.

efingqa

Ukusebenza kanye nokuthuthukiswa ubulili izitho amalungu ezahlukene kwezilwane kuyahluka kakhulu phakathi kwabo. Kulesi sihloko, zikhona yakhiwe izici ulwazi kwezinye zezinto eziphilayo. Lezi idatha Sinesithakazelo hhayi kuphela Izazi, kodwa futhi abantu curious.

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