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Proboscidea dabbobi masu shayarwa. Wakilai daga cikin tsari Proboscidea da su siffofin

Wane ne proboscidians dabbobi masu shayarwa? Wakilai daga wadannan dabbobi bayyana miliyoyin shekaru da suka wuce. Gano yadda da yawa jinsunan akwai yanzu wasu rarrabe siffofin da suka yi.

Proboscidea dabbobi masu shayarwa

A kalmar "proboscidians" yakan auku ne kawai 'yan kungiyoyin - giwaye da kuma mammoths. Kuma da gaskiya da haka, domin Khobotnev tawagar hada da kawai da iyali giwaye. Proboscidians dabbobi masu shayarwa ya bayyana a Equatorial Afirka game da miliyan 45 da suka wuce. Sa'an nan, su range ya kumbura zuwa Afirka, Eurasia, da kuma Arewa da kuma Kudancin Amirka. Kakanninsu dauke mastodons da mammoths.

A halin yanzu, giwaye ne na kowa a kudu maso gabashin Asiya da kuma nahiyar Afrika. Suna zaune a savannas da kuma wurare masu zafi da gandun daji. Su ne zamantakewa dabbobi da wadannan centenarians. Ivory Coast suna mutuwa da shekaru 60-80 shekaru. Rayuwa kungiyoyin kunsha da dama mãtã, da maruƙa. Maza lokaci-lokaci shiga da su zuwa sami wani abokin tarayya a gare ma'abota.

Saboda abinci suna iya sanya daruruwan kilomita bãya. A ranar da giwaye ci 500 kilo shuka abinci, abin sha har zuwa 300 lita na ruwa. A wannan yanayin, da dabbobi ba sha fiye da 40% na abinci. Dalili na rage cin abinci kunshi ganye, ciyawa, da 'ya'yan itace da haushi bishiyoyi.

tsarin fasali

Su girma masu ban sha'awa. Elephants wakiltar babbar herbivores da wani talakawan tsawo na 2.5 zuwa 4 m, a tsawon 4.5 mita. Proboscidea dabbobi masu shayarwa mallaka wata katuwar, idan aka kwatanta da wani mutum ta jiki, manyan kai da kuma babban kunnuwa. Fata mai rufi m sparse ciyayi da kuma kananan wrinkles.

Babbar kunnuwa taimake mu jimre wa da zafi da daidaitawa da rasit da kuma dawowar zafi a jiki. Ƙarin sanyaya faruwa tare da lilo kunnuwa. Tare da wadannan iko locators giwaye daidai rarrabe sauti a mita na 1 kHz.

Hakora-incisors sun ƙwarai kara girman da ake kira giwa. Ga wani mutum, su ne mai muhimmanci da kayan, sai da dabbobi sukan kashe hauren giwa. Duk da ban sha'awa size, giwaye matse tãna tãshi da sauƙi, kuma a hankali saboda da kitsen gammaye a kan ƙafãfu, wanda qara yankin na ƙafa.

Don me giwa akwati?

Akwati - mai muhimmanci da kuma irreplaceable giwaye jiki. Yana da aka kafa ta a haɗa saman lebe da kuma hanci. Sanye take da tsokoki da kuma tendons cewa damar da dabba don amfani da shi a maimakon hannuwansu. Tare da wannan iko da kuma m kayan aiki proboscidians dabbobi masu shayarwa na iya jawo rassan, rajistan ayyukan, to tara da 'ya'yan itatuwa.

Akwati aiki a matsayin mai azanci shine zuciya da sauransu. Located a karshen kafafen hancinsa taimaka wajen gane kamshi. Saboda ji na ƙwarai daga gangar jikin, giwa ji da abubuwa to gano su. A watering akwati sha ruwa, sa'an nan aika a cikin bakinka. Sauti sanya ta wannan jiki, da damar giwaye don sadarwa.

iri giwaye

Ivory Coast suna wakilta a duk uku jinsunan - Afrika Savannah India, Forest. A karshen yana da wani Dwarf size, a kwatanta tare da 'yan'uwansa, da kuma kawai ya kai mita biyu ba ga tsawo. dabba jiki da aka rufe da wani lokacin farin ciki gashi a ruwan kasa launi. Ya kunnuwa taso keya, me ya sa lakabi kruglouhim. Tare da Afirka daji giwa gandun daji da aka jera a matsayin miyagun.

Afirka Savannah mazaunin aka jera a Guinness World Records a matsayin mafi girma a dabba bace a duniya. ta jiki tsawon sau da yawa ya kai bakwai mita, da kuma tsawo a kafadu - hudu. A talakawan nauyi na maza ya kai 7 ton, da mãtã a biyu ton kasa. Suna zaune yafi a cikin reserves da kasa Parks, wani ɓangare na kowa a cikin hamada yankunan Namibia da kuma Mali, wanda shi ne dalilin da ya sa aka kira su bari giwaye.

Indian ko Asian giwa girman kadan kasa Savannah. Sabõda wuri na ta mazauninsu ne thickets na bamboo, na wurare masu zafi da kuma deciduous gandun daji. Shĩ ne kawai memba na HALITTAR na India giwaye, kuma an dauki wani namun dajin. Akwai da dama wanɗannan ƙananan rukunoni na zaune a Sri Lanka, Sumatra, India, China, Cambodia, a tsibirin Borneo.

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