Izilwane Eziphilayo - Izibonelo Nezici

Umlobi: Peter Berry
Usuku Lokudalwa: 14 Ujulayi 2021
Ukuvuselela Usuku: 14 Unovemba 2024
Anonim
FRILLED SHARK ─ When you Mix a Shark and a Snake you get this "Living Fossil"
Ividiyo: FRILLED SHARK ─ When you Mix a Shark and a Snake you get this "Living Fossil"

-Delile

Viviparity kuyinto uhlobo lokukhiqiza kabusha etholakala ezilwaneni eziningi ezincelisayo, ngaphezu kwezinye ezihuquzelayo, izinhlanzi nezilwane eziphila ezweni. Izilwane ezi-viviparous yizilwane ezizalwa zisuka esibelethweni sonina. Abantu, ngokwesibonelo, bangabaphilayo.

Ngemuva kokushada kwabesifazane noma ukuhlangana ngokobulili nowesilisa ohlotsheni olufanayo, umuntu omusha angakhiwa, kuthi ekugcineni kwenqubo yokukhulelwa, azuze ifa lezimpawu zabazali bakhe.

Qhubeka ufunde le ndatshana yePeritoAnimal lapho sizocacisa khona Izilwane zeViviparous - Izibonelo Nezici. Ukufunda okuhle.

Yini abaphilayo

Izilwane ezi-viviparous yilezo ezifeza zazo ukukhula kombungu esibelethweni somzali, ukuthola ngayo i-oksijini nezakhi zomzimba ezidingekayo kuze kube umzuzu wokuzalwa, lapho kubhekwa njengokwakheke ngokuphelele nokwakhiwa ngokuphelele. Ngakho-ke, singasho ukuthi yizilwane ezizalwa kusukela esibelethweni sikanina, hhayi kumaqanda, okuyizilwane ezi-oviparous.


Ukukhula kombungu ezilwaneni

Ukuqonda kahle ukuthi ziyini izilwane ezibekezelayo, kubalulekile ukukhuluma ngokukhula kombungu, okuyisikhathi esisukela ekukhulelweni kuye ekuzalweni komuntu omusha. Ngakho-ke, ekukhiqizweni kwezilwane ngokocansi, singahlukanisa izinhlobo ezintathu zokukhula kombungu:

  • Izilwane eziphilayo ngemuva kokukhulelwa kwangaphakathi, imibungu iyakheka ngaphakathi kwesakhiwo esikhethekile somzimba womzali, esivikela futhi sibondle kuze kube yilapho sebekhule ngokuphelele futhi sebelungele ukubeletha.
  • Izilwane ezi-Oviparous: kulokhu, ukukhulelwa kwangaphakathi kuyenzeka, kepha, ukukhula kombungu kwenzeka ngaphandle komzimba kanina, ngaphakathi kweqanda.
  • Izilwane ze-Ovoviviparous: futhi ngokusebenzisa ukukhuleliswa kwangaphakathi, imibungu yezilwane ezi-ovoviviparous ikhula ngaphakathi kweqanda, yize kuleli cala iqanda libuye lihlale ngaphakathi emzimbeni womzali, kuze kube yilapho kuchanyuselwa khona, ngakho-ke, kuzalwa inzalo.

Izinhlobo zokukhiqizwa kabusha kwabaphilayo

Ngaphezu kokuhlukanisa izinhlobo ezahlukahlukene zokukhula kombungu, kufanele sazi ukuthi kunezinhlobo ezahlukahlukene zokukhiqiza kabusha phakathi kwabaphilayo:


  • Izilwane ezihlala endaweni yesibindi: yilezo ezikhula ngaphakathi ku-placenta, isitho esihlanganiswe nesibeletho esanda ngesikhathi sokukhulelwa ukuvula indawo yemibungu. Isibonelo kungaba ngumuntu.
  • I-Marsupial viviparous: ngokungafani nezinye izilwane ezincelisayo, ama-marsupial azalwa engathuthukisiwe futhi agcina akhe ngaphakathi kwe-marsupium, isikhwama sangaphandle esigcwalisa umsebenzi ofana ne-placenta. Isibonelo esaziwa kakhulu sesilwane se-marsupial viviparous yi-kangaroo.
  • I-Ovoviviparous: ukuxubana phakathi kwe-viviparism ne-oviparism. Kulokhu, umama ubeka amaqanda emzimbeni wakhe, lapho ezokhula khona aze akhule ngokugcwele. Intsha ingazalelwa ngaphakathi emzimbeni womama noma ngaphandle kwayo.

Izici zabaphilayo

1. Uhlelo lokukhulelwa

Izilwane ezi-viviparous zehlukile ezilwaneni ezi-oviparous ezizalela amaqanda "angaphandle", njengezinyoni eziningi nezihuquzelayo. Izilwane ezi-viviparous zinohlelo lokukhulelwa oluvela kakhulu futhi lwathuthukiswa kunezilwane ezi-oviparous, ezibizwa ngokuthi i-placental viviparism, okungukuthi, lezo zilwane ezinombungu abaphothule esikhwameni "i-placenta" ngaphakathi kukamama aze umama avuthwe, abe mkhulu futhi aqine ngokwanele ukuthi angazalwa futhi aziphilele yedwa ngaphandle komzimba.


2. Ucezwana (Placenta)

Esinye isici esibalulekile ukuthi ukuthuthukisa izilwane ezi-viviparous kuswele igobolondo elingaphandle eliqinile. I-placenta iyisitho esinolwelwesi esiqukethe igazi elinothile futhi elinamandla elizungeze isibeletho sabesifazane abakhulelwe. Umbungu wondliwa ngentambo yokuphakelayo ebizwa ngokuthi inkaba. Isikhathi esiphakathi kokukhulelwa nokuzalwa kwe-viviparous sibizwa ngokuthi isikhathi sokukhulelwa noma ukumitha futhi kuyahluka kuye ngohlobo.

3. Izinguquko emzimbeni

Esinye sezici ezibaluleke kakhulu phakathi kwezilwane ezincelisayo njengezilwane ezithwala bukhoma inguquko ebalulekile abesifazane abathola kuyo ngemuva kokukhulelwa kweqanda, lapho kuqala khona isikhathi sokukhulelwa noma sokukhulelwa. Kulesi sigaba, isibeletho sikhula ngosayizi ngokulingana nokukhula kwe-zygote, bese owesifazane aqala ukuzwa uchungechunge lwe izinguquko zombili nezangaphakathi ngokulungiselela okungokwemvelo okuphelele kwale nqubo yonke.

4. Amawele amane

Iningi lezilwane ezi-viviparous zingama-quadrup, lokhu kusho ukuthi ngidinga imilenze emine ukuma, ukuhamba nokunyakaza.

5. Isifiso somama

Iningi lomama phakathi kwezilwane ezincelisayo linamandla, lincane umuzwa womama ukondla nokuvikela inzalo yabo kuze kube yilapho ikwazi ukuziphilela yodwa. Owesifazane uzokwazi kahle ukuthi lowo mzuzu uzokwenzeka nini.

6. AmaMarsupials

Ezweni lezilwane kunolunye futhi uhlobo lwe-viviparism, lokhu okungajwayelekile kakhulu. Sikhuluma ngama-marsupials, njenge-kangaroo.AmaMarsupial izidalwa ezizala izingane zazo zingakakhuli kahle bese zithola inzalo ezikhwameni ezinazo esiswini lapho zizincelisa khona. Amawundlu ahlala kule ndawo aze akhule ngokugcwele futhi awadingi olunye ubisi oluvela kunina ukuze aphile.

Izibonelo Zezilwane Ezi-Viviparous - Izilwane Ezincelisayo ZaseViviparous

Manje njengoba usazi ukuthi ziyini izilwane ezi-viviparous, sikhomba ukuthi cishe zonke izilwane ezincelisayo zingama-viviparous. Kukhona okumbalwa okuhlukile kwezilwane ezincelisayo ze-oviparous, ezibizwa ngokuthi ama-monotremes, abameleli bawo abakhulu okungukuthi i-echidna ne-platypus.

Izibonelo Zezilwane Ezincelisayo ZaseViviparous Land

  • Inja
  • Ikati
  • unogwaja
  • Ihhashi
  • inkomo
  • Ingulube
  • Indlulamithi
  • ULeon
  • Imfene
  • Indlovu

Izibonelo zezilwane ezincelisayo zasemanzini ezi-viviparous:

  • Ihlengethwa
  • Umkhomo
  • umkhomo wesidoda
  • i-orca
  • UNarwhal

Isibonelo sesilwane esincelisayo esindiza ezindizayo:

  • Ilulwane

Izibonelo zezilwane ezibukhoma - izinhlanzi ezibukhoma

Phakathi kwezinhlanzi ezivame kakhulu i-viviparous - yize ngobuchwepheshe ziyizilwane ze-ovoviviparous - kunezinhlobo zama-guppies, ama-platys noma ama-molineses:

  • I-Reticular Poecilia
  • Ama-poecilia sphenops
  • izinkondlo ze-wingei
  • Xiphophorus maculatus
  • Xiphophorus helleri
  • UDermogenys pusillus
  • Nomorhamphus liemi

Izibonelo Zezilwane Ze-Viviparous - I-Viviparous Amphibians

Njengasesimweni esidlule, i- phila emanzini akuvamile ikakhulukazi, kepha sithola izilwane ezimbili ezimele i-oda leCaudata:

  • merman
  • Intulo

Manje njengoba usuyazi ukuthi baphi abaphilayo futhi wazi izici zabo eziyinhloko, ungahle ube nentshisekelo kule enye indatshana ekhuluma ngokushintshaniswa kwezizukulwane ezilwaneni.

Uma ufuna ukufunda izindatshana eziningi ezifana ne- Izilwane Eziphilayo - Izibonelo Nezici, sincoma ukuthi ufake isigaba sethu se-Curiosities somhlaba wezilwane.