Me muka sani game da sharks?

Anonim
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Me muka sani game da sharks? Hoto: Bayani na ajiye kaya.

Masana ilimin halittu sunyi jayayya cewa a cikin tekun da tekuna na duniyarmu akwai kusan 150,000 daban-daban mazaunan ƙasa. Kuma wasu daga cikinsu sun mamaye, na musamman, wuri a cikin karkashin duniya.

Misali, duk shaidu na sanannu. A kusa da su a cikin ƙarni da yawa, da yawa almara da stereotypes, cewa sexerypes, cewa masana kimiyyar halitta, tabbas, sun gaji da gajiya da masu musantawa. Koyaya, ko da kuna ƙoƙarin zubar da duk mahaɗan game da Shark, to, waɗannan wakilan zurfin teku ba zai zama ƙasa da ban mamaki ba.

Misali, na dogon lokaci an yi imani cewa sharks dole ne ya kai hari kan mutanen da suke cikin ruwa a wuri mai haɗari. Koyaya, ya juya cewa Shark zai iya iyo ta hanyar divery mai rauni zuwa gajiya mai rauni don jingina da ƙarfinsa mai ƙarfi a wasu ragon kusa da shi.

Dangane da hare-hare kan mutane, masana kimiya sun gano abu mai ban sha'awa: Shark na iya ruga a kan mutum, amma a zazzabi na ruwa a kalla Celsius!
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Hoto: Bayani na ajiye kaya.

An tabbatar da wannan, musamman, lura da Dr. Schulz. Ya yi nazari kan dalla-dalla 790 hare-hare a kan mutane kuma ya gano cewa 3 hare-hare ne kawai daga wadannan 790 ya faru a cikin ruwa na 18 digiri sama da sifili. Wannan shi ne, ya bi shi da kammalawar da sharks - ƙirƙirar mai ƙauna.

A kan waɗannan abubuwan da ba su da ƙarfi game da waɗannan kifayen farfado, kowane irin jita-jita na dama suka tafi. Sun kasance debunk a cikin cikakken bincike. Don haka, alal misali, mai yiwuwa ne a tabbatar cewa Tiger Shark na shekara 1 a cikin kankanin kifi ne kawai na kifi! Wannan, na nemi afuwa, kamar dai rabin nauyinta ne, kuma ba komai!

Haka ne, ana iya yin jayayya a nan cewa gwajin Tiger Shark (mai yiwuwa akwai da yawa daga cikinsu) zauna a cikin yanayin greenhouse, kuma ba musamman ake so musamman. Amma har yanzu! A cikin shekara guda - kuma kilogiram 86 kawai na abinci!

Daidai ne da aka sani da cewa sharks suna da babban mai wari musamman. Masana ilimin halittu sun dauki 1 gram na jini da narkar da shi a lita 600,000 na ruwa. Don haka Shark ya kama warin jini a nesa zuwa rabin kilomita! Wannan ya yi bayanin bayyanar da Sharks a wurin ruwan sha tare da wadanda abin ya shafa.

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Hoto: Bayani na ajiye kaya.

Amma wahayin Shark ba ta da ƙarfi sosai. An tabbatar da cewa magabatan teku suna da kyau ma'adinai. Bugu da kari, ba su bambance launuka masu launuka ba. Amma duk wannan gaskiyane ne kawai na dogon nesa.

Gaskiyar ita ce cewa kayan aikin gani a Sharks suna da matukar mahimmanci. Kamar yadda yake kusantar da ɗaya ko wata, kayan shark ya fara dogaro da hangen nesa. Wannan yana ba da gudummawa ga madubi na musamman-kamar Layer a cikin raga kwasfa na shark ido.

Gwaje-gwajen da aka gudanar tare da sarakuna sun ba da sakamako mai ban sha'awa. A cewar wasu masana kimiyya, m na idanu a Shark zuwa haske bayan sa'o'i 8 na zaman cikin cike da sau 8 yana karuwa kusan sau miliyan!

Baya ga gabobin da ke sama, Sharks kuma suna da abin da ake kira "a kaikaice" a kaikaice. Wannan hade ne na katako na jijiyoyi da gashin bakin ciki a gefe na jiki. Wannan layin a gefe yana aiki a matsayin wani nau'in radar Shark Radar.

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Hoto: Bayani na ajiye kaya.

Don haka ga abin da ya juya: kyakkyawan kamshi, hangen nesa mai kyau da layin. Tabbas, tare da irin wannan saiti a cikin Marine za ku zama ɗaya daga cikin halittun halaye. Kuma kara zuwa wannan karfi shaidarks hakora!

Game da na karshen, babu babban taro bai zo ba. Shark da gaske yana da babbar ƙarfi.

An tabbatar da cewa kowane shakku na haƙori a saman wanda aka azabtar da karfin kusan tan uku!

Bugu da kari, da babba hakora sharry a kan ƙananan. Kuma a Shark na farko, kamar yadda yake, yana sa hadaya a kan ƙasan haƙoransa, sannan hakora na sama da babba a lokacin da take faɗuwa a bakin. Ba abin mamaki bane yayin da bayan wadannan manimins, tsira yana da wahala sosai.

Koyaya, akwai matsaloli yayin da mutane suka mutu a zamanin tafarkin jirgin ruwa daga ƙananan raunuka da aka haifar da sharks. Na dogon lokaci, wannan gaskiyar kunyen ta hanyar masu lura da mutane.

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Black Shark Sungelon (Dalatias Lichha) a cikin Gidan Tarihi na Kasa na Kimiyya ta Kasa a Washington Hoto: Ru.Wikipedia.org

Kuma kawai a kwanan nan ya juya cewa a cikin bakin Sharks akwai wasu ƙwayoyin cuta koyaushe suna haifar da kamuwa da cutar mutum a cikin mutane. Amma ga Shark kanta, waɗannan ƙwayoyin cuta suna da haɗari.

Koyaya, bai kamata a ɗauka cewa sharrin har yanzu suna "kyakkyawan" mazauna mazaunan ƙasa ba, maɓuɓɓugan teku ". Akwai mummunan malamai da raunuka.

Misali, shark ba ta hana kumburi mai iyo ba. Saboda haka, yana tsaye na ɗan lokaci kaɗan don tsayawa - kuma zai fara fada cikin sauri a ƙasa. Don haka ya juya cewa Shark dole ne ya kasance cikin motsi koyaushe. Kuma wannan, ka gani, ba mai sauki bane.

Bugu da kari, Shark an hana shi wani kwayar halitta na musamman, yana yin ruwa ta hanyar gills. Kuma ya zama dole a dasa ruwa koyaushe, saboda yana dauke da iskar oxygen. Wannan shine dalili na biyu dalilin da ya sa Sharley ya sauka daga haihuwa har zuwa mutuwa har zuwa mutuwa sosai domin kogunan ruwa ya wuce ta kands.

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Sharet Shark Shark Photo: Ru.wikipedia.org

Don haka ya juya cewa a cikin wani abu, an ba da yanayin kifin Shark tare da wuce haddi, kuma a cikin wani abu - ya lalace sosai.

Koyaya, sharks ba su san shi ba kwata-kwata, amma kuyi rashin hutawa, wani lokacin shark tsawon rai ...

Marubuci - Maxim Mishchenko

Source - Springzhizni.ru.

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