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Cya stattya ye sirim perekladom z inshoyi movi Mozhlivo vona stvorena za dopomogoyu mashinnogo perekladu abo perekladachem yakij nedostatno volodiye oboma movami Bud laska dopomozhit polipshiti pereklad Hronologiya zhittyaP R 4500 4000 3500 3000 2500 2000 1500 1000 500 0 vodaOdnoklitinnifotosintezYaderniBagatoklitinnichlenistonogi molyuskiNazemne zhittyaRosliniDinozavri SsavciKvitiPtahi Primati pervisna Zemlya poyava vodi pervisne zhittya meteoritne bombarduvannya vilnij kisen atmosfernij kisen kisneva katastrofa stateve rozmnozhennya pershi roslini ediakarska biota kembrijskij vibuh tetrapodi gominidiF a n e r o z o jP r o t e r o z o jA r h e jG a d e jGuronZemlya snizhkaChetvertinneZledeninnya Masshtab shkali mln rokiv Divitsya takozh istorichni osi lyudini i prirodi Nudnij milyard takozh vidomij yak serednij proterozoj i serednovichchya Zemli ce period chasu vid 1 8 do 0 8 milyarda rokiv tomu sho ohoplyuye serednij proterozojskij eon yakij harakterizuyetsya bilsh abo mensh tektonichnoyu stabilnistyu klimatichnim stazisom i povilnoyu biologichnoyu evolyuciyeyu Vin mezhuye z dvoma riznimi podiyami oksigenaciyi i lodovikovogo periodu ale sam Nudnij Milyard mav duzhe nizkij riven kisnyu ta ne mav zhodnih oznak zaledeninnya Okeani mozhlivo buli bidni na kisen i pozhivni rechovini a takozh buli sulfidni evksiniya naseleni perevazhno anoksigennimi purpurovimi bakteriyami tipom fotosintezuyuchih bakterij yaki vikoristovuyut sirkovoden H2S zamist vodi ta viroblyayut sirku zamist kisnyu Ce yavishe vidome yak okean Kenfilda Cherez takij sklad okeani stali chornimi ta molochno biryuzovimi a ne sinimi Nezvazhayuchi na taki nespriyatlivi umovi eukarioti mozhlivo evolyucionuvali priblizno na pochatku Nudnogo Milyarda i prijnyali kilka novih adaptacij takih yak rizni organeli bagatoklitinnist i mozhlivo stateve rozmnozhennya i diversifikuvalisya v roslini tvarini i gribi v kinci cogo promizhku chasu Taki dosyagnennya mogli buti vazhlivimi poperednikami evolyuciyi velikogo skladnogo zhittya piznishe v Ediakari ta Fanerozoyi Tim ne mensh prokariotichni cianobakteriyi buli dominuyuchimi formami zhittya v cej chas i jmovirno pidrimuvali energetichno bidnu harchovu merezhu z nevelikoyu kilkistyu protistiv na vershini harchovogo lancyuzhka Susha jmovirno bula naselena prokariotichnimi cianobakteriyami ta eukariotichnimi protolishajnikami prichomu ostanni buli bilsh uspishnimi tut jmovirno cherez bilshu dostupnist pozhivnih rechovin nizh u morskih vodah bilya uzberezhzhya OpisU 1995 roci geologi Rodzher Byuyik Devis De Mare ta Endryu Noll proanalizuvali ochevidnu vidsutnist velikih biologichnih geologichnih i klimatichnih podij protyagom mezoproterozojskoyi eri 1 6 1 milyard rokiv tomu i takim chinom opisali ce yak najnudnishij chas v istoriyi Zemli Termin Nudnij Milyard buv zakarbovanij paleontologom Martinom Brasyerom dlya poznachennya periodu priblizno mizh 2 i 1 mlrd rokiv tomu yakij harakterizuvavsya geohimichnim stazisom i lodovikovoyu stagnaciyeyu U 2013 roci geohimik Grant Yang vikoristav termin Bezplidnij Milyard dlya poznachennya periodu zamerzannya lodovikiv i vidsutnosti vidhilen izotopiv karbonu vid 1 8 do 0 8 mlrd rokiv U 2014 roci geologi Piter Kavud i Kris Hoksvort nazvali chas mizh 1 7 i 0 75 mlrd rokiv Serednovichchyam Zemli cherez vidsutnist dokaziv tektonichnogo ruhu Vvazhayetsya sho Nudnij Milyard prostyagayetsya priblizno vid 1 8 do 0 8 mlrd rokiv tomu v mezhah proterozojskogo eonu golovnim chinom mezoproterozoyu Nudnij Milyard harakterizuyetsya geologichnim klimatichnim i zagalom evolyucijnim zastoyem z nizkim vmistom pozhivnih rechovin U period sho pereduvav Nudnomu Milyardu Zemlya perezhila kisnevu katastrofu vnaslidok evolyuciyi kisnevih fotosintezuyuchih cianobakterij sho prizvelo do Guronskogo zledeninnya Zemlya snizhka formuvannya ozonovogo sharu sho blokuye UF viprominyuvannya i okislennya kilkoh metaliv Vvazhayetsya sho riven kisnyu pid chas Nudnogo Milyarda buv pomitno nizhchim nizh pid chas kisnevoyi katastrofi mozhlivo vid 0 1 do 10 vid suchasnih rivniv Cej period zavershivsya rozpadom superkontinentu Rodiniya pid chas tonskogo periodu 1000 720 mln rokiv drugoyu podiyeyu oksigenaciyi ta inshoyu Zemleyu snizhkoyu u kriogennomu periodi Tektonichnij stazis Evolyuciya biosferi atmosferi ta gidrosferi Zemli davno pov yazana z ciklom superkontinentiv koli kontinenti zgrupovuyutsya a potim rozhodyatsya U Nudnomu Milyardi vidbulasya evolyuciya dvoh superkontinentiv Kolumbiyi abo Nuni i Rodiniyi Superkontinent Kolumbiya sformuvavsya mizh 2 0 i 1 7 mlrd rokiv tomu i zalishavsya nezminnim prinajmni do 1 3 mlrd rokiv tomu Geologichni ta paleomagnitni dokazi svidchat pro te sho Kolumbiya zaznala lishe neznachnih zmin shob peretvoritisya na superkontinent Rodiniyu mizh 1 1 i 0 9 mlrd rokiv tomu Paleogeografichni rekonstrukciyi svidchat pro te sho superkontinent znahodivsya v ekvatorialnih i pomirnih klimatichnih zonah i ye malo abo zhodnih dokaziv pro kontinentalni fragmenti v polyarnih zonah Cherez vidsutnist dokaziv nakopichennya vidkladiv na pasivnih krayah yake moglo statisya v rezultati riftingu superkontinent jmovirno ne rozpavsya a buv prosto sukupnistyu protokontinentiv i kratoniv Nemaye dokaziv riftingu do utvorennya Rodiniyi 1 25 mlrd rokiv tomu v Pivnichnij Lavrentiyi ta 1 mlrd rokiv tomu u Shidnij Baltici ta Pivdennomu Sibiru Rozpad ne vidbuvsya do 0 75 mlrd rokiv tomu oznamenuvavshi kinec Nudnogo Milyarda Cej tektonichnij zastij mig buti pov yazanij z himiyeyu okeanu ta atmosferi Cilkom mozhlivo sho astenosfera rozplavlenij shar zemnoyi mantiyi po yakomu po suti plavayut i ruhayutsya tektonichni pliti bula nadto garyachoyu shob u toj chas pidtrimuvati suchasnu tektoniku plit Zamist energijnoyi pererobki plit u zonah subdukciyi pliti buli pov yazani mizh soboyu protyagom milyardiv rokiv poki mantiya dostatno ne oholola Pochatku cogo komponenta tektoniki plit mozhlivo spriyalo oholodzhennya ta potovshennya kori sho yak tilki rozpochalosya prizvelo do anomalno silnoyi subdukciyi plit sho vidbulasya naprikinci Nudnogo Milyarda Tim ne mensh veliki magmatichni podiyi vse she vidbuvalisya taki yak utvorennya shlyahom plyumu centralnoyi Avstralijskoyi provinciyi Masgrejva plosheyu 220 000 km vid 1 22 do 1 12 mlrd rokiv tomu a takozh Kanadskoyi velikoyi ignejnoyi provinciyi Makkenzi plosheyu 2 700 000 km priblizno 1 27 mlrd rokiv tomu Tektonika plit vse she bula dostatno aktivnoyu shob stvoriti gori i v cej chas vidbuvalisya dekilka orogeneziv vklyuchayuchi Grenvilskij orogenez sho vidbuvavsya v toj chas Klimatichna stabilnistGrafik iz zobrazhennyam serednih temperatur protyagom mezoproterozoyu Sinya liniya zobrazhuye koncentraciyu CO2 u 5 raziv bilshe za suchasnu dobu chervona liniya u 10 raziv a chervona tochka pokazuye serednij diapazon temperatur u tropikah Isnuye malo dokaziv znachnoyi minlivosti klimatu protyagom cogo periodu Klimat jmovirno ne buv golovnim chinom prodiktovanij sonyachnoyu yaskravistyu oskilki Sonce bulo na 5 18 mensh yaskravim nizh sogodni ale nemaye zhodnih dokaziv togo sho klimat Zemli buv znachno proholodnishim Faktichno Nudnij Milyard zdayetsya ne maye zhodnih dokaziv trivalih zledenin yaki mozhna sposterigati z regulyarnoyu periodichnistyu v inshih chastinah geologichnoyi istoriyi Zemli Visokij riven CO2 ne mig buti golovnoyu rushijnoyu siloyu poteplinnya oskilki rivni mali b buti v 30 100 raziv vishimi nizh doindustrialni rivni shob zapobigti utvorennyu lodu ta sprichiniti znachne zakislennya okeanu sho takozh ne vidbuvalosya Mezoproterozojski rivni CO2 mozhut buti porivnyani z rivnyami fanerozojskogo eonu v 7 10 raziv vishimi vid suchasnih rivniv Pershi zapisi pro lid za cej period chasu bulo povidomleno v 2020 roci z shotlandskoyi 1 mlrd rokiv tomu v grupi Torridon de utvorennya dropstouniv jmovirno utvorilisya ulamkami vid raftingom lodu oblast roztashovana todi mizh 35 50 pd sh bula mozhlivo visokogirnim ozerom yake yak vvazhayut zamerzalo vzimku i tanulo vlitku a rafting vidbuvavsya pid chas vesnyanogo tanennya Visha kilkist inshih parnikovih gaziv a same metanu sho viroblyavsya prokariotami mogla kompensuvati nizki rivni CO2 majzhe vilnij vid lodu svit dosyagayetsya atmosfernoyi koncentraciyi metanu v rozmiri 140 chastin na miljon ppm Metanogenni prokarioti ne mogli viroblyati stilki metanu sho oznachaye sho yakijs inshij parnikovij gaz jmovirno oksid azotu buv pidvishenij mozhlivo do 3 chastin na miljon u 10 raziv perevishuye sogodnishnij riven Vihodyachi z peredbachuvanoyi koncentraciyi parnikovih gaziv ekvatorialna temperatura v mezoproterozoyi mogla stanoviti priblizno 22 27 C u tropikah 17 C na 60 paraleli 8 7 C a na polyusah 23 2 C i globalna serednya temperatura blizko 19 C sho na 4 C teplishe nizh sogodni Temperaturi na polyusah vzimku opuskalisya nizhche nulya sho prizvelo do timchasovogo utvorennya morskogo lodu ta snigopadu ale postijnih krizhanih pokriviv jmovirno ne bulo Takozh bulo pripusheno sho cherez te sho intensivnist kosmichnih promeniv pozitivno korelyuye z hmarnistyu a hmari vidbivayut svitlo u kosmos i znizhuyut globalni temperaturi v cej chas cherez zmenshennya formuvannya zirok u galaktici prizvodila do menshoyi hmarnosti ta zapobigala lodovikovim podiyam zabezpechuyuchi teplij klimat Krim togo pevna kombinaciya intensivnosti vivitryuvannya yaka prizvela b do znizhennya rivnya CO2 shlyahom okislennya vidkritih metaliv oholodzhennya mantiyi ta zmenshennya geotermalnogo tepla ta vulkanizmu a takozh pidvishennya intensivnosti sonyachnogo viprominyuvannya ta sonyachnogo tepla mozhlivo dosyagla rivnovagi zapobigayuchi utvorennyu lodu I navpaki lodovikovi ruhi ponad milyard rokiv tomu mozhlivo ne zalishili bagato zalishkiv sogodni i ochevidna vidsutnist dokaziv mozhe buti naslidkom nepovnoti litopisu skam yanilostej a ne vidsutnostyu samogo yavisha Krim togo nizki rivni kisnyu i sonyachnoyi intensivnosti mozhut zapobigati formuvannyu ozonovogo sharu sho zavazhaye utrimuvati parnikovi gazi v atmosferi i nagrivati Zemlyu za dopomogoyu parnikovogo efektu sho mozhe sprichiniti lodovikovi podiyi Hocha dlya pidtrimki ozonovogo sharu ne potribno bagato kisnyu i rivni pid chas Nudnogo milyarda mogli buti dostatno visokimi dlya cogo Zemlya mogla zaznavati silnishogo bombarduvannya UF viprominyuvannyam nizh sogodni Okeanichnij skladShozhe sho v okeanah buli nizki koncentraciyi klyuchovih pozhivnih rechovin yaki vvazhalisya neobhidnimi dlya skladnogo zhittya a same molibdenu zaliza azotu ta fosforu znachnoyu miroyu cherez brak kisnyu ta yak naslidok okislennya neobhidne dlya cih geohimichnih cikliv Pozhivnih rechovin moglo buti bilshe v nazemnih seredovishah takih yak ozera abo priberezhni seredovisha blizhche do kontinentalnogo stoku Zagalom okeani mogli mati nasichenij kisnem poverhnevij shar sulfidnij serednij shar i suboksigennij nizhnij shar Perevazhno sulfidnij sklad mig sprichiniti te sho okeani mali chornij i molochno biryuzovij kolir zamist sinogo Kisen Geologichnij litopis Zemli vkazuye na dvi podiyi pov yazani zi znachnim pidvishennyam rivnya kisnyu na Zemli odna z yakih vidbulasya mizh 2 4 i 2 1 mlrd rokiv tomu vidoma yak kisneva katastrofa a druga priblizno 0 8 mlrd rokiv tomu vidoma yak neoproterozojska podiya oksigenaciyi druga kisneva katastrofa Vvazhayetsya sho promizhnij period pid chas Nudnogo Milyarda mav nizkij riven kisnyu z neznachnimi kolivannyami sho prizvelo do shirokogo poshirennya bezkisnevih vod Okeani mogli buti chitko stratifikovanimi prichomu poverhnevi vodi buli nasicheni kisnem a gliboki vodi buli suboksigennimi menshe 1 mkM kisnyu Ostannij mozhlivo pidtrimuvavsya menshimi rivnyami vikidiv vodnyu H2 ta sirkovodnyu H2S cherez glibokovodni gidrotermalni dzherela yaki v inshomu vipadku buli b himichno znizheni kisnem Navit u samih milkovodnih vodah znachna kilkist kisnyu mozhe buti obmezhena v osnovnomu rajonami poblizu uzberezhzhya Rozkladannya tonuchoyi organichnoyi rechovini takozh prizvelo b do vimivannya kisnyu z glibinnih vod Raptove padinnya O2 pislya kisnevoyi katastrofi yaka za rivnyami d13C svidchit pro vtratu v 10 20 raziv bilshogo obsyagu atmosfernogo kisnyu atmosfernogo kisnyu vidome yak podiya Lomagundi Yatuli ta ye najvidatnishoyu podiyeyu izotopiv karbonu v istoriyi Zemli Riven kisnyu mig stanoviti menshe 0 1 1 vid suchasnogo rivnya sho faktichno zupinilo b evolyuciyu skladnogo zhittya pid chas Nudnogo milyarda Odnak pripuskayetsya mezoproterozojska podiya oksigenaciyi MOE pid chas yakoyi vmist kisnyu timchasovo pidvishuvavsya priblizno do 4 vid potochnogo rivnya v atmosferi u rizni momenti chasu sho trivala vid 1 59 do 1 36 mlrd rokiv tomu Zokrema deyaki dokazi z formaciyi Velkerri v grupi Roper na Pivnichnij Teritoriyi Avstraliyi formaciya Kaltasi u Volgo Uralskomu regioni Rosiyi ta formaciya Syamaling na pivnochi Pivnichno Kitajskogo kratonu vkazuye na pomitne oksigenuvannya blizko 1 4 mlrd rokiv tomu hocha stupin do yakogo ce vidobrazhaye globalnij riven kisnyu nevidomij Kisnevi umovi stali b dominuyuchimi pid chas drugoyi kisnevoyi katastrofi viklikayuchi poshirennya aerobnoyi aktivnosti nad anaerobnoyu ale shiroko poshireni suboksichni ta bezkisnevi umovi jmovirno trivali priblizno do 0 55 mlrd rokiv tomu sho vidpovidaye ediakarskij bioti ta kembrijskomu vibuhu Sirka Shema formuvannya evksinichnih umov U 1998 roci geolog Donald Kenfild zaproponuvav te sho zaraz vidomo yak gipoteza okeanu Kenfilda Kenfild stverdzhuvav sho pidvishennya rivnya kisnyu v atmosferi pid chas kisnevoyi katastrofi moglo vidreaguvati z kontinentalnimi vidkladennyami piritu FeS2 i okisliti yih iz sulfatom SO42 yak pobichnim produktom yakij perenosivsya v more Sulfat vidnovlyuyuchi mikroorganizmi peretvorili jogo na sirkovoden H2S rozdilivshi okean na poverhnevij shar desho kisnevij i sulfidnij shar sho znahoditsya pid nim z anoksigennimi bakteriyami yaki zhivut na kordoni metabolizuyuchi H2S i stvoryuyuchi sirku yak vidhodi Ce stvorilo poshireni evksinni umovi v serednih vodah bezkisnevij stan z visokoyu koncentraciyeyu sirki yakij pidtrimuvavsya bakteriyami Odnak bilsh sistematichni geohimichni doslidzhennya seredini proterozoyu vkazuyut na te sho okeani buli v osnovnomu zalizistimi z tonkim poverhnevim sharom slabko nasichenih kisnem vod i evksiniya mogla vidbuvatisya na vidnosno nevelikih dilyankah mozhlivo menshe 7 morskogo dna Zalizo Sered girskih porid sho datuyutsya Nudnim Milyardom pomitna vidsutnist smugastih utvoren zaliza yaki utvoryuyutsya iz zaliza u verhnij tovshi vodi z pohodzhennyam z glibin okeanu reaguyuchi z kisnem i vipadayuchi z vodi Voni zdayetsya pripinyayutsya v usomu sviti pislya 1 85 mlrd rokiv tomu Kenfild stverdzhuvav sho okeanichnij SO42 zmenshuye vse zalizo v bezkisnevomu glibokovodnomu mori Zalizo moglo buti metabolizovano anoksigennimi bakteriyami Bulo takozh pripusheno sho padinnya meteora Sadberi 1 85 mlrd rokiv tomu zmishalo ranishe stratifikovanij okean shlyahom cunami vzayemodiyeyu mizh viparovanoyu morskoyu vodoyu ta nasichenoyu kisnem atmosferoyu okeanichnoyu kavitaciyeyu ta masivnim stokom zrujnovanih kontinentalnih uzberezhzh u more Otrimani vnaslidok cogo suboksigenni glibinni vodi cherez zmishuvannya nasichenoyi kisnem poverhnevoyi vodi z ranishe bezkisnevoyu glibokoyu vodoyu mogli b okisliti glibokovodne zalizo zapobigayuchi jogo transportuvannyu ta vidkladennyu na okolicyah kontinentu Tim ne mensh bagati zalizom vodi dijsno isnuvali taki yak formaciya Syamalin v Pivnichnomu Kitayi 1 4 mlrd rokiv tomu yaka mozhlivo zhivilasya glibokovodnimi gidrotermalnimi dzherelami Umovi bagati zalizom takozh vkazuyut na bezkisnevu pridonnu vodu v cij oblasti oskilki kisnevi umovi okislyuvali b vse zalizo Formi zhittyaNizka kilkist pozhivnih rechovin mogla spriyati fotosimbiozu koli odin organizm zdatnij do fotosintezu a inshij metabolizuye vidhodi sered prokariotiv bakterij i arhej i poyavi eukariotiv Bakteriyi arheyi ta eukarioti ye troma domenami najvishim taksonomichnim rangom Eukarioti vidriznyayutsya vid prokariotiv yadrom i membrannimi organelami i majzhe vsi bagatoklitinni organizmi ye eukariotami Prokarioti Stromatolit vikom 1 44 mlrd rokiv z Nacionalnogo parku Glejsher Montana Prokarioti buli dominuyuchimi formami zhittya vprodovzh Nudnogo Milyarda Mikroskam yanilosti vkazuyut na prisutnist cianobakterij zelenih i fioletovih sirchanih bakterij arhej sho viroblyayut metan bakterij sho metabolizuyut sulfat arhej abo bakterij sho metabolizuyut metan bakterij sho metabolizuyut zalizo bakterij sho metabolizuyut azot i anoksigennih fotosintezuyuchih bakterij Vvazhayetsya sho anoksigenni cianobakteriyi buli dominuyuchimi fotosintezatorami metabolizuyuchi nadlishok H2S v okeanah U vodah bagatih zalizom cianobakteriyi mogli postrazhdati vid otruyennya zalizom osoblivo v morskih vodah de bagata zalizom gliboka voda zmishuyetsya z poverhnevimi vodami i takim chinom yih vitisnyayut inshi bakteriyi yaki mozhut metabolizuvati yak zalizo tak i H2S Odnak otruyennya zalizom mozhna bulo b zmenshiti za dopomogoyu vodi bagatoyi dioksidom kremniyu abo biomineralizaciyeyu zaliza vseredini klitini Eukarioti Eukarioti mozhlivo vinikli priblizno na pochatku Nudnogo Milyarda sho zbigayetsya z akreciyeyu Kolumbiyi yaka mogla pevnim chinom pidvishiti riven kisnyu v okeani Hocha buli zayavleni zapisi pro eukariotiv she 2 1 milyarda rokiv tomu voni vvazhalisya sumnivnimi prichomu najdavnishi odnoznachni zalishki eukariot datuyutsya priblizno 1 8 1 6 milyardami rokiv tomu v Kitayi Pislya cogo evolyuciya eukariot bula dosit povilnoyu mozhlivo cherez evksinichni umovi okeanu Kenfilda i brak klyuchovih pozhivnih rechovin i metaliv sho pereshkodzhalo rozvitku velikogo skladnogo zhittya z visokimi potrebami v energiyi Evksinni umovi takozh znizili rozchinnist zaliza i molibdenu osnovnih metaliv u azotfiksaciyi Vidsutnist rozchinenogo azotu spriyala b perevazi prokariotiv nad eukariotami oskilki pershi mozhut metabolizuvati gazopodibnij azot Alternativna gipoteza vidsutnosti diversifikaciyi sered eukariot pripuskaye visoki temperaturi pid chas Nudnogo Milyarda a ne nizki rivni kisnyu pripuskayuchi sho toj fakt sho podiyi oksigenaciyi do piznogo neoproterozoyu ne zapochatkuvali evolyuciyu eukariot svidchit pro te sho ce ne buv osnovnij obmezhuyuchij faktor yakij yiyi galmuvav Skam yanilosti Ramathallus vikom 1 6 mlrd rokiv najdavnisha z vidomih chervonih vodorostej Tim ne mensh diversifikaciya eukariotichnih makroorganizmiv kronovoyi grupi zdayetsya pochalasya priblizno 1 6 1 mlrd rokiv tomu mabut zbigayuchis zi zbilshennyam koncentraciyi klyuchovih pozhivnih rechovin Zgidno z analizom molekulyarnogo godinnika roslini vidijshli vid tvarin i gribiv priblizno 1 6 mlrd rokiv tomu tvarini i gribi blizko 1 5 mlrd rokiv tomu Bilateriyi ta knidariyi tvarini vidpovidno z dvostoronnoyu simetriyeyu ta bez neyi blizko 1 3 mlrd rokiv tomu gubki 1 35 mlrd rokiv tomu i Askomikotovi gribi i Bazidiyevi dva viddili pidcarstva vishih gribiv 0 97 mlrd rokiv tomu Avtori statti stverdzhuyut sho yihni ocinki chasu ne uzgodzhuyutsya z naukovim konsensusom Skam yanilosti piznogo paleoproterozoyu ta rannogo mezoproterozoyu basejnu korisnih kopalin Vindhyan v Indiyi grupi Ruyan u Kitayi ta formaciyi Kotujkan na Anabarskomu masivi v Sibiru vkazuyut na visoki tempi za doediakarskimi standartami eukariotichnoyi diversifikaciyi mizh 1 7 i 1 4 mlrd rokiv tomu hocha velika chastina cogo riznomanittya predstavlena ranishe nevidomimi bilshe ne isnuyuchimi kladami eukariotiv Najdavnishi vidomi mati chervonih vodorostej datuyutsya 1 6 mlrd rokiv tomu Najdavnishij vidomij grib datuyetsya 1 01 0 89 mlrd rokiv tomu z Pivnichnoyi Kanadi Bagatoklitinni eukarioti yaki vvazhayutsya nashadkami kolonialnih odnoklitinnih utvoren jmovirno evolyucionuvali priblizno 2 1 4 mlrd rokiv tomu Podibnim chinom ranni bagatoklitinni eukarioti jmovirno perevazhno utvoryuvali stromatolitovi mati Chervona vodorist Bangiomorpha ye najdavnishoyu vidomoyu formoyu zhittya sho rozmnozhuyetsya statevim shlyahom i mejozom i evolyucionuvala 1 047 mlrd rokiv tomu Vihodyachi z cogo ci adaptaciyi rozvinulisya mizh pribl 2 1 4 mlrd rokiv tomu Krim togo voni mogli rozvinutisya zadovgo do ostannogo spilnogo predka eukariot vrahovuyuchi sho mejoz vikonuyetsya z vikoristannyam odnih i tih samih bilkiv u vsih eukariot mozhlivo prostyagayuchis azh do gipotetichnogo svitu RNK Klitinni organeli jmovirno pohodyat vid vilnozhivuchih cianobakterij simbiogenez mozhlivo pislya evolyuciyi fagocitozu poglinannya inshih klitin z vidalennyam zhorstkoyi klitinnoyi stinki yaka bula neobhidnoyu lishe dlya nestatevogo rozmnozhennya Mitohondriyi vzhe evolyucionuvali pid chas kisnevoyi katastrofi ale vvazhayetsya sho plastidi yaki vikoristovuvalisya v arheplastidah dlya fotosintezu z yavilisya priblizno 1 6 1 5 mlrd rokiv tomu Gistoni jmovirno z yavilisya pid chas Nudnogo milyarda shob dopomogti organizuvati ta upakuvati zrostayuchu kilkist DNK v eukariotichnih klitinah u nukleosomi Gidrogenosomi sho vikoristovuyutsya v anaerobnij diyalnosti mogli pohoditi v toj chas vid arheonu Vrahovuyuchi oriyentiri evolyuciyi dosyagnuti eukariotami cej period chasu mozhna vvazhati vazhlivim poperednikom kembrijskogo vibuhu priblizno 0 54 mlrd rokiv tomu ta evolyuciyi vidnosno velikogo skladnogo zhittya Ekologiya Cherez marginalizaciyu velikih chastinok yizhi takih yak vodorosti na korist cianobakterij i prokariotiv yaki ne peredayut stilki energiyi na vishi trofichni rivni skladna harchova merezha jmovirno ne sformuvalasya i veliki formi zhittya z visokimi potrebami v energiyi ne mogli evolyucionuvati Taka harchova merezha jmovirno pidtrimuvala lishe neveliku kilkist protistiv yak u pevnomu sensi hizhakiv najvishogo rivnya Pripuskayetsya sho kisnevi fotosintetichni eukariotichni akritarhi mozhlivo tip mikrovodorostej naselyali poverhnevi vodi mezoproterozoyu Yihnya populyaciya jmovirno bula obmezhena dostupnistyu pozhivnih rechovin a ne hizhactvom oskilki deyaki vidi vidomi svoyeyu trivalistyu protyagom soten miljoniv rokiv ale pislya 1 mlrd rokiv trivalist vidiv zmenshilas do priblizno 100 mln rokiv mozhlivo cherez zbilshene hizhactvo rannih protistiv Ce vidpovidaye zmenshennyu trivalosti vidiv do 10 mln rokiv yaki stalisya vzhe pislya kembrijskogo vibuhu ta rozshirennya hizhih tvarin Vidnosno nizki koncentraciyi molibdenu v okeani protyagom Nudnogo Milyardu vvazhayutsya osnovnim obmezhuvalnim faktorom yakij utrimuvav populyaciyi mikroorganizmiv vidkritogo okeanu sho fiksuyut azot yakim molibden neobhidnij dlya virobnictva nitrogenaz na nizkomu rivni hocha prisnovodni ta priberezhni seredovisha yaki znahodilis bilya richkovih dzherel rozchinenogo molibdenu mozhlivo vse she mistili znachni spilnoti fiksatoriv azotu Nizkij riven fiksaciyi azotu sho trivav do kriogenu z evolyuciyeyu planktonnih fiksatoriv azotu oznachav sho vilnij amonij buv duzhe obmezhenim protyagom cogo periodu sho serjozno obmezhuvalo evolyuciyu ta diversifikaciyu bagatoklitinnoyi bioti Zhittya na sushi Deyaki z najdavnishih dokaziv kolonizaciyi sushi prokariotami vidnosyatsya do 3 mlrd rokiv tomu mozhlivo she do 3 5 mlrd rokiv tomu Pid chas Nudnogo Milyarda zemlya mogla buti naselena perevazhno cianobakterialnimi matami Pil mozhe postachati veliku kilkist pozhivnih rechovin i ta sluguvati zasobom rozpovsyudzhennya dlya mikrobiv sho zhivut na poverhni hocha spilnoti mikrobiv mogli takozh formuvatisya v pecherah i prisnovodnih ozerah i richkah Stanom na 1 2 mlrd rokiv tomu mikrobni spilnoti mogli buti dostatno chislennimi shob vplinuti na vivitryuvannya eroziyu sedimentaciyu ta rizni geohimichni cikli a shiroki mikrobni mati mogli vkazuvati na te sho biologichna gruntova kora bula u velikij kilkosti Najdavnishimi nazemnimi eukariotami mozhlivo buli lishajnikovi gribi vikom priblizno 1 3 mlrd rokiv yaki paslisya na mikrobnih matah Velika kilkist eukariotichnih mikroskam yanilostej iz prisnovodnoyi shotlandskoyi grupi torridoniv zdayetsya vkazuye na dominuvannya eukariotiv u nemorskih seredovishah isnuvannya stanom 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