A tsarin da katantanwa ban sha'awa siffofin

Daya daga cikin halittun farko bayyana a Duniya sun katantanwa. Akwai wata babbar lamba na saɓani a cikin siffar, size, fasali, an same su a cikin kusan kowace kusurwa na duniya, wasa muhimmiyar rawa a cikin yanayin kasa.

Lalle ne kowane mutum akalla wani lokacin mamaki: abin da yake cikin tsarin da katantanwa? Ko suna da idanu, kunnuwa, hakora, kwakwalwa?

A tsarin da cochlea za a iya daukan wani misali da wani giant aji wakilan katantanwa - Achatina, mazauni na wurare masu zafi da Afirka gandun daji, domin ya sami shahararsa a matsayin Pet. Sauki daga ciki, omnivorous, odorless, sauki da kuma m (kowane mutum ya sani ubangijinsa) - cikin abubuwan saboda wanda irin wannan musamman dabba zama da aka fi so daga mutane da yawa gidajensu. A zaman talala Achatina iya rayuwa game da shekaru 10.

A tsarin da katantanwa Achatina

Structure Achatina - mafi girma wakilin ƙasar molluscs, quite sauki: shugaban, akwati da kuma harsashi, da girman wanda za a iya isa 25 santimita.

A kansa ne cikin bakin da tentacles - tsawo da kuma mobile, da idanu a karshen. A ikon ganin abubuwan dake kewaye a Achatina auna kawai da nesa da 3 cm. A wannan yanayin, katantanwa ne sosai m zuwa ga haske, musamman mai haske, da tsanani da abin da aka ba su sani ba kawai gabobin da gannanku, amma hasken-m Kwayoyin shirya a jiki.

Roth katantanwa sanye take hakora (game da 25 dubbai), amma ba a duk cikin saba ji. Wannan na'urar da ake kira "radula", wanda yake shi ne m "grater" da kuma maida shi musamman domin nika abinci.

Kunnuwa, da rashin alheri, da katantanwa ba, saboda haka, ba ji wani abu. Rashin ji rama data kasance kilam olfactory gabobin: fata ne gaban sashi na jiki da kuma kananan iyakoki, located a dubaru na tentacles. Wari na sinadarai (barasa, benzene, acetone) katantanwa ne iya ji a nesa na 4 cm, abinci dadin dandano ji game da 2 mita. A tsarin da katantanwa, saboda wannan tentacles da kuma tafin kafa - gabobin da tabawa, ba su da ikon gane da irin zane da kuma siffar na kewaye, da samun su san a wannan hanya tare da waje duniya.

Pet - Achatina

A tsarin da katantanwa Achatina, kazalika da da ikon, duk da seeming sauki da ban sha'awa fasali. Saboda haka, suna da halin da dogon lokacin da ƙwaƙwalwar: Achatina iya adana wuri abinci kafofin da kuma komawa zuwa gare su. A manya da m wuri zauna. lokacin da canjawa wuri zuwa wani wuri na cochlea (a cikin mita 30), shi ne rarrafe a kansa, mafi saba. Sun samfurori ne halin da motsi da kuma iya tafiya mai nisa a lokacin da rana. kuma suna da ikon kara hijirarsa.

Features kuma katantanwa

Tsarin da katantanwa ne ya sa ta zama daga cikin ƙasa, a dangane da wanda shellfish da suka ci gaba tafin kafa sanye take da biyu kafa gland cewa asirce gamsai, kuma ya wuce ta wata ƙanƙancewa kalaman. Irin wannan takamaiman siffofin optimally sa kadan motsi dodon kodi a kan bushe surface.

Wrinkled fata a kan wani par tare da wani haske cewa shi ne mai katantanwa a daya misali, daukan wani muhimmin bangare a cikin numfashi tsari. A ciki tsarin da cochlea ne halin da gaban da zuciya, kodoji, kuma jijiyoyi. A cewar masana, da katantanwa ba su iya jin zafi. Irin wannan baƙuncin saboda da rashi na kwakwalwa da kuma laka, maimakon wanda akwai cunkoso ganglia - ganglia, forming tare juyayi tsarin warwatse-type kumburi.

M harsashi ayyuka

Katantanwa harsashi ne m, kuma m, ya yi aikin da wadannan ayyuka:

• Wannan zai kare da laushi jiki na inji lalacewa a cikin tsari na motsi.
• kare da m maƙiyanku,
• Yana kare jikin katantanwa daga bushewa fita.

A tsarin da cochlea, ko kuma wajen da harsashi, kai tsaye rinjayi yanayin damina a cikin abin da rãyukansu. Saboda haka, a high zafi da kuma bakin ciki m harsashi. a bushe da zafi canjin yanayin da, da ganuwar zama thicker, da kuma launi ya zama fari (nuna hasken rana da kuma kare cochlea daga zafi fiye da kima).

Meet katantanwa inabi!

A tsarin da katantanwa ne ba daban-daban daga sauran iri na'urorin: The guda kwatami, jiki da kuma kai da tentacles. Shin cewa size, da bambanci ga Achatina, wani tsari na girma kasa. Kuma rayuwa ne a kusa da filin, ba wani misali da wani gida Achatina. Wannan m filayen, gonaki, gandun daji, inda mafi dadi wurare don dodon kodi ne damp gansakuka, inuwa shuke-shuke ko duwatsu, a karkashin abin da za ka iya boye daga cikin zãfi.

Monotonously canza launin harsashi katantanwa siffar zobe, yana da wani taso siffar da kuma kare mollusk ta jiki daga mummunan waje dalilai. Kafa, ta hanyar abin da motsa wani katantanwa, babban da murdede.

Lokacin da tafiya an saki gamsai gland softening gogayya da surface. A talakawan gudu daga katantanwa ne 1.5 mm / sec.

Yadda za a yi kiwo katantanwa?

Musamman tsarin katantanwa kai tsaye shafi da yaduwa tsari a cikin abin da kowane mutum da kuma abubuwa a matsayin namiji da mace. Don yin wannan, biyu katantanwa ne a soyayya game, shi ne a hankali jin juna, sa'an nan a mai yawa soles ci. A wannan hanya, Shellfish musayar gametes. A qwai an rufe tare da sinadarin gina jiki harsashi da ciwon gefe ake bukata domin ci gaba da kayan, katantanwa sa a kungiyoyin na 20-30 guda a cikin ramuka, wanda aka sa'an nan kuma binne. Bayan 2-3 makonni, akwai wani ƙaramin tsara cewa ya jũya a cikin wani cikakken fledged adult katantanwa ga 1.5 watanni.