Difference between revisions of "AY Honors/Marsupials/Answer Key"

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{{Taxobox
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[[Image:Joey in pouch.jpg|right|thumb|180px|Kangaroo joey inside the pouch]]
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| color = pink
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[[Image:Kangaroo and joey03.jpg|thumb|180px|Female Eastern Grey with mature joey in pouch]]
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| name = Quolls
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The '''pouch''' is a distinguishing feature of female [[marsupial]]s; the name marsupial is derived from  the Latin ''marsupium'', meaning pouch. Marsupials give birth to a live but relatively undeveloped [[fetus]] called a [[joey (marsupial)|joey]]. When the joey is born it crawls from the vagina to the pouch. The pouch is basically a fold of skin with a single opening that covers the [[nipple]]s to protect the joey as it continues to develop.
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| image = SpottedQuoll_2005_SeanMcClean.jpg
 
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| image_width = 200px
 
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| image_caption = [[Tiger Quoll]]
 
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| regnum = [[Animal]]ia
 
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| phylum = [[Chordate|Chordata]]
 
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| classis = [[Mammal]]ia
 
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| infraclassis = [[Marsupialia]]
 
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| ordo = [[Dasyuromorphia]]
 
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| familia = [[Dasyuridae]]
 
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| subfamilia = [[Dasyurinae]]
 
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| tribus = [[Dasyurini]]
 
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| genus = '''''Dasyurus'''''
 
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| genus_authority = [[Étienne Geoffroy Saint-Hilaire|É. Geoffroy]], 1796
 
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| type_species = ''[[Eastern Quoll|Didelphis maculata]]''
 
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| type_species_authority = [[anonymous|Anon.]], [[1791]]<br>(= ''Didelphis viverrina'' [[George Shaw|Shaw]], 1800
 
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| subdivision_ranks = [[Species]]
 
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| subdivision =
 
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See text.
 
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}}
 
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'''Quolls''' or '''native cats''' (genus '''''Dasyurus''''') are [[carnivorous]] [[marsupial]]s, native to [[Australia]] and [[Papua New Guinea]]. Adults are between 25 and 75&nbsp;[[Centimeter|cm]] long, with hairy tails about 20-35&nbsp;cm long. An adult male can weigh up to 4kg and be as long as 130cm. Females have six to eight nipples and develop a pouch&mdash;which opens towards the tail&mdash;only during the breeding season, when they are rearing young. The babies are the size of a grain of rice. The female can give birth to up to 6 young and the gestation period is 21 days. When they are around 20 weeks old the young become independant of the mother. Quolls live both in forests and in open valley land. Though primarily ground-dwelling, they have developed secondary arboreal characteristics. Their molars and canines are strongly developed. The Eastern spotted quoll is protected fully in Tasmania.
 
  
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== Taxonomy ==
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Pouches are different amongst the different marsupials: for example the [[Tasmanian Devil]]'s pouch opens to the rear and the joey only has to travel a short distance to get to the opening of the pouch, while in the pouch they are permanently attached to the nipple and once the young have developed they leave the pouch and do not return. The [[kangaroo]]'s pouch opens horizontally on the front of the body, and the joey must climb a relatively long way to reach it. Kangaroos and [[wallaby|wallabies]] allow their young to live in the pouch well after they are physically capable of leaving.
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Within the genus ''Dasyurus'', the following species exist:
 
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* [[New Guinean Quoll]], ''Dasyurus albopunctatus'', New Guinea
 
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* [[Western Quoll]] or Chuditch, ''Dasyurus geoffroii'', western Australia
 
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* [[Northern Quoll]], ''Dasyurus hallucatus'', northern Australia
 
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* [[Tiger Quoll]] or Spotted Quoll, ''Dasyurus maculatus'', eastern Australia
 
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* [[Bronze Quoll]], ''Dasyurus spartacus'', New Guinea
 
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* [[Eastern Quoll]], ''Dasyurus viverrinus'', [[Tasmania]] (formerly mainland eastern Australia)
 
  
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==References==
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[[category:Marsupial zootomy]]
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*{{MSW3 Groves|pages=24-25}}
 
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http://www.dpiw.tas.gov.au/inter.nsf/WebPages/BHAN-5373RD?open
 
  
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{{mammal-stub}}
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[[es:Marsupio]]
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{{MEA-expand}}
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[[nl:Marsupium]]
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[[pt:Marsúpio]]
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[[Category:Dasyuromorphs]]
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hahahahahahahahaha i r faggot
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[[Category:Australian Aboriginal terms]]
 
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[[Category:Mammals of Australia]]
 
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[[de:Beutelmarder]]
 
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[[fr:Dasyurus]]
 
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[[nl:Buidelmarters]]
 
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[[pl:Dasyurus]]
 
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[[pt:Quoll]]
 
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[[ru:Сумчатая куница]]
 

Revision as of 19:41, 6 December 2006

Kangaroo joey inside the pouch
Female Eastern Grey with mature joey in pouch

The pouch is a distinguishing feature of female marsupials; the name marsupial is derived from the Latin marsupium, meaning pouch. Marsupials give birth to a live but relatively undeveloped fetus called a joey. When the joey is born it crawls from the vagina to the pouch. The pouch is basically a fold of skin with a single opening that covers the nipples to protect the joey as it continues to develop.

Pouches are different amongst the different marsupials: for example the Tasmanian Devil's pouch opens to the rear and the joey only has to travel a short distance to get to the opening of the pouch, while in the pouch they are permanently attached to the nipple and once the young have developed they leave the pouch and do not return. The kangaroo's pouch opens horizontally on the front of the body, and the joey must climb a relatively long way to reach it. Kangaroos and wallabies allow their young to live in the pouch well after they are physically capable of leaving.

es:Marsupio nl:Marsupium pt:Marsúpio hahahahahahahahaha i r faggot

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