Shin akwai shark na megalodon?

Mawallafi: Peter Berry
Ranar Halitta: 20 Yuli 2021
Sabuntawa: 14 Nuwamba 2024
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Gabaɗaya, mutane suna sha'awar masarautar dabbobi, duk da haka dabbobin da aka zana su da manyan ƙima suna jan hankalin mu. Wasu daga cikin waɗannan nau'ikan girman da ba a saba ba har yanzu suna rayuwa, yayin da aka san wasu daga burbushin burbushin kuma da yawa ma wani ɓangare ne na tatsuniyoyin da aka faɗa akan lokaci.

Suchaya daga cikin irin waɗannan dabbobin da aka bayyana shine shark megalodon. Rahotanni sun nuna cewa wannan dabbar za ta sami rabe -raben da ba a saba gani ba. Sosai har aka dauke shi a matsayin babban kifi da ya taɓa rayuwa a Duniya, me zai sa wannan dabbar ta zama mai farautar mega.

Kuna sha'awar ƙarin sani game da wannan super carnivore? Don haka muna gayyatar ku don ci gaba da karanta wannan labarin PeritoAnimal don ku iya bayyana abin da ba a sani ba kuma ku amsa: shin hakan zai kasance akwai shark na megalodon?


Yaya shark megalodon yake?

Sunan kimiyya na megalodon shark shine Megalodon Carcharocles kuma kodayake a baya an rarrabe shi daban, yanzu akwai babban yarjejeniya cewa yana cikin tsari Lamniformes (wanda babban farin shark kuma nasa ne), zuwa dangin da suka mutu Otodontidae da kuma nau'in halittar Carcharocles daidai.

Na dogon lokaci, binciken kimiyya da yawa, bisa ƙididdigar ragowar da aka samu, sun ba da shawarar cewa wannan babban kifin na iya samun girma dabam. A wannan yanayin, da shark megalodon an ɗauka tsayin mita 30 ne, amma wannan shine ainihin girman megalodon?

Tare da ci gaban hanyoyin kimiyya don nazarin burbushin halittu, an watsar da waɗannan ƙididdigar daga baya kuma yanzu an tabbatar da cewa megalodon yana da kimanin tsayin mita 16, tare da kai mai auna kusan mita 4 ko kaɗan kaɗan, tare da kasancewar dorsal fin wanda ya wuce mita 1.5 da wutsiya kusan tsayin mita 4. Ba tare da wata shakka ba, waɗannan sikelin suna da ƙima mai mahimmanci ga kifin, don a iya ɗaukarsa mafi girma a cikin ƙungiyarsa.


Wasu binciken sun ba mu damar tabbatar da cewa shark megalodon yana da babban muƙamuƙi wanda ya yi daidai da girmansa. Wannan ƙungiya ta ƙunshi ƙungiyoyi huɗu na hakora: na baya, na tsakiya, na gefe da na baya. Hakora guda na wannan kifin shark ya kai mita 168. Gabaɗaya, manyan gine-ginen haƙora ne masu kusurwa uku, tare da kasancewar tsattsarkan tsagi a gefuna da faffadan harshe mai lanƙwasa, yayin da farfajiyar labial ta bambanta daga ɗan ƙarami zuwa madaidaiciya, kuma haƙorin haƙora yana da V-dimbin yawa.

Hakoran hakora sun fi zama daidaituwa da girma, yayin da hakora na gefe gindin baya baya da daidaituwa. Hakanan, yayin da mutum ke motsawa zuwa yankin baya na ƙanƙara, akwai ɗan ƙara ƙaruwa a tsakiyar waɗannan tsarukan, amma sai ya ragu zuwa haƙori na ƙarshe.


A cikin hoton za mu iya ganin haƙorin shark megalodon (hagu) da haƙori na Farin shark (dama). Waɗannan su ne ainihin ainihin hotunan kifin megalodon da muke da shi.

Ƙara koyo game da nau'ikan sharks daban -daban da ke wanzu a wannan labarin.

Yaushe shark megalodon ya bace?

Shaidu sun nuna cewa wannan kifin ya rayu daga Miocene har zuwa ƙarshen Pliocene, don haka shark megalodon ya bace kimanin shekaru miliyan 2.5 zuwa 3 da suka wuce.. Ana iya samun wannan nau'in a kusan dukkanin tekuna kuma yana tafiya cikin sauƙi daga bakin teku zuwa zurfin ruwa, tare da fifikon yanayin ƙasa mai zurfi zuwa tsaka tsaki.

An kiyasta cewa abubuwa da yawa na yanayin ƙasa da muhalli sun ba da gudummawa ga halakar shark na megalodon. Daya daga cikin abubuwan da suka faru shine samuwar Isthmus na Panama, wanda ya kawo tare da rufe haɗin tsakanin tekun Pacific da tekun Atlantika, yana kawo canje -canje masu mahimmanci a cikin raƙuman ruwa, yanayin zafi da rarraba dabbobin ruwa, fannoni waɗanda wataƙila sun shafi nau'in da ake magana akai.

Faduwar yanayin zafin teku, farkon zamanin kankara da jinsuna suna raguwa waxanda suke da muhimmin ganima ga abincinsu, babu shakka sun yanke hukunci kuma sun hana shark megalodon ci gaba da bunƙasa a wuraren da aka ci.

A cikin wannan labarin muna magana ne game da dabbobin ruwa na prehistoric.

Shin akwai shark na megalodon a halin yanzu?

Kai tekuna manyan halittu ne, ta yadda ba ma duk ci gaban kimiyya da fasaha da ake samu a yau ba zai ba mu damar cikakken fahimtar yalwar rayuwa a wuraren da ke cikin ruwa. Wannan sau da yawa ya haifar da hasashe ko fitowar hasashe game da ainihin wanzuwar wasu nau'in, kuma megalodon shark na ɗaya daga cikinsu.

Dangane da wasu labarai, wannan babban kifin zai iya zama cikin sararin da masana kimiyya ba su sani ba har zuwa yau, saboda haka, zai kasance a cikin zurfin da har yanzu ba a bayyana shi ba. Koyaya, a gaba ɗaya don kimiyya, nau'in Megalodon Carcharocles ya mutu saboda babu wata shaida da ke nuna kasancewar mutane masu rai, wanda zai zama hanyar tabbatarwa ko a'a ta yiwu ta ƙare.

Gabaɗaya an yi imanin cewa idan har yanzu shark na megalodon ya wanzu kuma ya kasance daga radar nazarin teku, tabbas zai gabatar da canje -canje masu mahimmanci, kamar yadda dole ne ya dace da sabbin yanayin da ya fito bayan sauye -sauyen halittu na ruwa.

Shaidar cewa shark megalodon ya wanzu

Bayanan burbushin halittu yana da mahimmanci don samun damar tantance ko wane nau'in ya wanzu a tarihin juyin halittar Duniya. A cikin wannan ma'anar, akwai takamaiman rikodin burbushin halittu wanda yayi daidai da ainihin shark megalodon, galibi da yawa tsarin hakori, ragowar jaw da kuma ragowar m kasusuwa. Yana da mahimmanci a tuna cewa irin wannan kifin galibi yana kunshe da kayan cartilaginous, don haka tsawon shekaru, kuma yana cikin ruwa tare da yawan gishiri na gishiri, yana da wahalar ci gaba da wanzuwarsa.

An samu burbushin burbushin megalodon mafi yawa a kudu maso gabashin Amurka, Panama, Puerto Rico, Grenadines, Cuba, Jamaica, Canary Islands, Africa, Malta, India, Australia, New Zealand da Japan, wanda ke nuna cewa yana da kasancewar duniya sosai.

Kawar kuma wani tsari ne na dabi'a a cikin yanayin yanayin ƙasa kuma bacewar megalodon shine irin wannan gaskiyar, tunda mutane basu riga sun ɓullo ba har zuwa lokacin da wannan babban kifi ya ci tekun duniya. Idan ta zo daidai, da ta kasance a babbar matsala ga mutane, saboda, tare da irin wannan girma da ƙima, wa ya san yadda za su yi da jiragen ruwan da za su iya wucewa ta waɗannan sararin teku.

Shark na megalodon ya zarce adabin kimiyya kuma, saboda sha'awar da ya haifar, shima batun fim ne da labarai, duk da yana da babban almara. A ƙarshe, a bayyane yake kuma a kimiyance ya tabbatar da cewa wannan kifin ya mamaye yawancin sararin samaniyar duniya, amma shark megalodon baya wanzu a yau tunda, kamar yadda muka ambata a baya, babu wata hujja ta kimiyya akan hakan. Koyaya, wannan baya nufin hakan sabon bincike ba zai iya gano shi ba.

Yanzu da kuka san komai game da shark na megalodon, kuna iya sha'awar wannan labarin inda muke bayanin ko unicorns sun wanzu ko sun wanzu.

Idan kuna son karanta ƙarin labarai makamantansu Shin akwai shark na megalodon?,, muna ba da shawarar cewa ku shiga ɓangaren Curiosities na duniyar dabbobi.