Marsupial dabbobi masu shayarwa: wakilan da su halaye

Akwai biyu subclasses na dabbobi masu shayarwa - yinotheria da real dabbobi. Tsohon dangantaka monotremes detachment. Sun bambanta daga karshen a cewa sa qwai, amma matasa hatched daga gare su, ciyar da madara. Wadannan dabbobi kasu kashi biyu superorder - marsupials da placental dabbobi masu shayarwa.

A farko bambanta daga na biyu da cewa a lokacin daukar ciki da mace ba ya samar da mahaifa - wucin gadi jiki, wanda damar sadarwa a tsakanin iyaye da kuma na biyu jiki. Amma wadannan dabbobi suna da wata jakar, wanda aka tsara domin saka fitar da wani jariri da aka haife m na m rai. A wannan superorder ƙunshi daya kawai naúrar - Marsupials. A placental ciki duk sauran raka'a, kamar artiodactyl, pinnipedes, carnivorous, mannyan birai, jemagu, da sauransu. D.

rarrabuwa

Marsupial dabbobi masu shayarwa a cikin dabba taxonomy zauna da shubuha matsayi. Ga wasu tsarin, wannan rukuni na kwayoyin ne detachment, da kuma a kan sauran - da infraclass. Alal misali, sama da koala. A daya embodiment, ta wurin a cikin rarrabuwa ne kamar haka:

• Domain - eukaryotes.
• Mulkin - dabbobin gida.
• Rubuta - Chordata.
• Subtype - vertabrate.
• Class - Dabbobi masu shayarwa.
• Detachment - Marsupials.
• Family - Vombatovye.

A madadin - kamar haka:

• Domain - eukaryotes.
• Mulkin - dabbobin gida.
• Rubuta - Chordata.
• Subtype - vertabrate.
• Class - Dabbobi masu shayarwa.
• Infraclass - Marsupials.
• Detachment - diprotodontia.
• Suborder - Vombatoobraznye.
• Family - Koalovye.

Halaye na marsupial dabbobi masu shayarwa

Mai jinsunan wannan tsari ne endemic, watau samu kawai a wani musamman yankin. Mafi sau da yawa shi ne Australia. Kusan duk marsupial dabbobi masu shayarwa zauna duniya a kan wannan nahiyar. Mai marsupials aka jera a cikin Red Littãfi.

Har ila yau, wakilan wannan rukuni na dabbobi zauna New Guinea, da kuma da ake samu a Arewa da Kudancin nahiyar Amirka. Marsupial dabbobi masu shayarwa suna zuwa kashi tara iyalan: opossum, marsupial anteaters, peramelidae, carnivorous marsupials Tsenolestovye, Possumovye, dabbar kangaroo, Vombatovye, marsupial moles. A mafi tsufa kuma mafi m daga cikin iyalan da tawagar masu opossum, daga gare su zo dukkan sauran dabbobin a cikin wannan kungiya. Bari mu dubi mafi kowane iyali da kuma ta wakilai.

Marsupials waje Australia

A mafi tsufa iyali - opossum. Animals na ga wannan kungiyar - daya daga cikin 'yan marsupials cewa rayuwa waje Australia.

Su ne na kowa a Amurka. Don wannan iyali ya kasance a cikin marsupial dabbobi masu shayarwa kamar hayaki, na Gabas, gidan, kyalle, American opossums. Wadannan su ne kananan dabbobi, game da 10 cm tsawo, tare da wani dogon wutsiya da lokacin farin ciki gashi. Su ne mafi yawa nocturnal, ciyar a kan kwari da kuma da dama daga 'ya'yan itãcen marmari. Wadannan dabbobi ne mai kyau a bayyanar da cewa ya zama mutu a cikin wani gaggawa. Har ila yau a waje Australia, da yankin Kudancin Amirka, gida da wasu jinsunan kangaroos, misali, wallabies.

Wakilai daga cikin tsari Marsupial rai a Australia

Wadannan sun hada da babban ɓangare na wannan rukuni na dabbobi. Mafi shahara daga cikin wadannan ne masu shayarwa dabbar kangaroo iyali. Don shi ya kamãta da irin wannan wakilan matsayin ja dabbar kangaroo, dabbar kangaroo bear, dogon-eared dabbar kangaroo Yammacin Gray Kangaroo da sauransu. D. Yana da wani babban dabba, da ciwon manyan wutsiya, abin da hidima a matsayin ƙarin goyan baya a gare su. Wadannan dabbobi masu shayarwa m gaban paws, amma karfi da baya da cewa damar da su zuwa matsar kusa, tsalle a kan manyan nisa. Babban rage cin abinci kunshi shuka dabbar kangaroo. Kwiyakwiyanta aka haife na wadannan dabbobi kamar kananan kamar uku da santimita a tsawon, gestational shekaru mãtã ne kawai game da kwana 30 (har zuwa 40, dangane da nau'in). Bugu da kari, wannan iyali ya hada da dabbar kangaroo bera. Ba ƙasa da na kowa a Australia ne wombats. Wadannan su ne kananan dabbobi, muzzle wanda yake shi ne bit kamar beyar, amma hakora ne kusan guda kamar yadda a hakori.

Wombats ci tushen daban-daban shuke-shuke, da dukkan nau'o'in 'ya'yan itatuwa da tsaba. Su gaban kafafunsa da babban fika ke ba su damar more yadda ya kamata tono cikin ƙasa, domin wombats - suna daga cikin dabbobin da suke ciyarwa mafi yawan lokutansa a burrows karkashin kasa. Kamar hali halin da marsupial moles - ne kananan dabbobi, da cin abinci, irin ƙwaro larvae da tsaba. Sun kuma suka sãɓã wa jũna a cikin abin da ba su da wani m yanayin jiki.

Marsupials, da aka jera a cikin Red Littãfi

Mafi shahara daga cikinsu - a koala. Su ne a kan gab da karewa, kamar yadda kawai samfurin a kan abin da suka ciyar, suna eucalyptus ganye, har ma sai su duka - na 800 jinsunan wannan shuka ana ci abinci da koalas kawai 100. Har ila yau, da aka jera a matsayin miyagun rawaya jin dãɗi dutse-wallaby, arewacin lasiorhinus, marsupial marten da kuma sauran .

The most da kuma karami dabbobi Marsupial tawagar

The most dabbobi masu shayarwa a cikin wannan kungiya shi ne babban m kangaroos, kuma mafi karami - Possum, zuma Badger, wanda ya ci pollen. The most marsupial zaune a cikin ta Kudu da kuma Yammacin Australia. Yana iya auna har zuwa hamsin kilo da kuma tsawo - kadan fiye da mita.

The karami marsupial dabbobi masu shayarwa - Acrobates pygmaeus - rayuwa ne kawai a Australia. Its nauyi ne da wuya fiye da goma sha biyar grams. Wannan dabba yana da dogon harshe, shi ne zama dole domin su sa shi sauki don samun pollen da Nectar shuke-shuke. Shi ne kuma daya daga cikin mafi karami marsupials za a iya kira da marsupial linzamin kwamfuta, masu nauyi daga abin da yake ma game da goma grams.