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Toothy dodanni, ko yadda da yawa hakora a katantanwa?

Mafi m fiye da wata dabba "tare da hakora", don haka shi ne mai hadarin gaske. A wani shark jaws ne da dama dubu (uku zuwa goma sha biyar, dangane da nau'in) reza-kaifi hakora, shirya a dama layuka. Shi ya sa mafi mashaya jini toothed da aka dauke su a shark, amma a cikin wani akwati ba kamar yadda jinkirin da m katantanwa, saboda ba kowa da kowa ya san yadda da yawa hakora a katantanwa, hotuna da kuma zane-zane na wanda ake samu a cikin da yawa yara littattafai.

Munin katantanwa ba dabba

Sai dai itace cewa da katantanwa ne yafi "toothy" shark. Mai hakora katantanwa. An located a bakin kamar yadda yawa 25 dubu hakora, da wanda shi sauƙi zai iya kara ko wuya mai tushe da kuma ganye.

Shi ne ya kamata a lura da cewa wannan ba quite guda hakora, wanda muka yawanci suna a hankali. A cikin baka rami suna located a katantanwa kira da radula - musamman naúrar, mafi kamar grater. A nan, a maimakon haka, ba kome yadda da yawa katantanwa hakora da kuma yadda za su yi aiki. Located a farfajiya na odontofora (a irin "harshen") radula ba ga biting kuma ga scraping da nika abinci. Ya kunshi chitin muhimmi lamina (radulnoy membrane) da kuma chitin hakora shirya transversely zuwa daruruwan 'yan layuka. Duk da wannan na'ura aiki a kan dredging inji ciwon guda yawan buckets a matsayin katantanwa hakora. Yana da wadannan jaraba da ilimi da kuma kankare gina jiki da cewa an sa'an nan ciyar a cikin narkewa kamar fili. Wasu jinsunan gastropod radula aka yi amfani a matsayin rawar soja da damar da katantanwa harsashi ya sanar da wanda aka kama.

A 'yan ban sha'awa facts daga rayuwar katantanwa

  • A cikin juyayi tsarin na katantanwa ƙunshi game da mutum dubu ashirin da neurons. The mutum kwakwalwa, da bambanci, ya kunshi 'yan dari biliyan.
  • Olfactory rabe dake ciki wani mutum hanci, da katantanwa ne a saman da zankayensa. A wasu kalmomin, da ƙahonin - mai hanci a ciki.
  • An yi imani da cewa katantanwa ba gani a mafi gaskiyan ji maganar, amma kawai rarrabe tsakanin haske da duhu.
  • Yadda yawa katantanwa hakora dogara a kan nau'in. Yawanci, da yawan jeri daga 15 zuwa 25 da dubu.
  • Mafi yawa daga cikin dodon kodi - dauke da lalurar mata.
  • A giant katantanwa Achatina Fulik ya kai wani tsawon na 20 cm, amma motsa sannu a hankali katantanwa.
  • A nama na wannan mollusk yana da mafi gina jiki fiye da kaza qwai. Bugu da kari, shi ne mai arziki a cikin alli, da baƙin ƙarfe, da m acid. Domin wannan dalilin, da kuma yin amfani da abinci.
  • Duk yadda da yawa hakora a katantanwa, ta kafa daya, amma saboda yana da motsa sosai a hankali. Iyakar gudu, wanda aka tasowa dabba - game 7 cm / min.
  • Mafi yawa daga cikin giant sami taba katantanwa auna goma sha shida kilo da kuma ta gidan kai saba'in santimita a tsawon.
  • Mai katantanwa da harsashi, juya a kewaye iri na agogo shugabanci (dama) kamar yadda gani daga juya karshen. Yanã mai karkatar counterclockwise yawa rarer.
  • Katantanwa da aka yi amfani da matsayin medicament da magani daga gastrointestinal cututtuka da kuma ocular inflammations, da kuma hana zub da jini.

A ƙarshe daga cikin labarin na yadda da yawa hakora a katantanwa, ya kamata a lura da cewa shi ne, ba wani zakara na "hakora" a cikin dabba duniya. A undisputed Zakaran ne a tsirara tutsar sulug. Ya na da mutum dubu talatin hakora.

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