MuSouth America isati yatanga koloni, vavaki vesambaqui vakatonga mahombekombe kwezviuru zvemakore. Kufa kwavo kwakaramba kusinganzwisisike - kudzamara dehenya rekare ravhura humbowo hutsva hweDNA.
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Miti inofungidzirwa kuti yakararama mukati merima rakanyanyisa uye chiedza chezuva chinoramba chiripo
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Kuwanikwa kunoshamisa uku kunojekesa kukosha kwegeckos mukushanduka-shanduka uye kuti kuchinjika kwavo kwakasiyana sei kwakavaita imwe yemhando dzakabudirira dzedzvinyu panyika.
Izvi zvishanu zvekutsakatika kukuru, kunozivikanwawo se "Big Five," kwakagadzira nzira yekushanduka-shanduka uye kwakashandura zvakanyanya kusiyana kwehupenyu paNyika. Asi zvikonzeroi zviri seri kweidzi ngwavaira?
Nhoroondo yePasi ingano inonakidza yekuchinja nguva dzose nekushanduka-shanduka. Kwemabhirioni emakore, pasi rave neshanduko dzinoshamisa, dzakaumbwa nemasimba e geological uye kubuda kwehupenyu. Kuti tinzwisise nhoroondo iyi, masayendisiti akagadzira hurongwa hunonzi geological time scale.
Muchidzidzo chakabudiswa munguva pfupi yapfuura, zvakaratidzwa kuti chombo chekuvhima chemakore 300,000 chakaratidza unyanzvi hunoshamisa hwekugadzira huni hwevanhu vekare.
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Iro ganda dema-dema rezvipenyu rinovagonesa kuhwanda murima-pakadzika-pakadzika pegungwa kuitira kuvandira mhuka dzadzo.
Dehenya ndere hominin yakatsakatika yakararama makore miriyoni 1.85 apfuura!
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Homo naledi, hama yemunhu yakatsakatika ine chikamu chimwe muzvitatu chehukuru hwehuropi hwedu, yakavigwa uye inogona kunge yakarangarira vakafa vavo, tsvakurudzo ine nharo inoratidza.
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Octopus dzakatora nguva refu fungidziro yedu nehunhu hwadzo husinganzwisisike, hungwaru hunoshamisa, uye kugona kumwe kwenyika. Asi zvakadini kana paine zvakawanda kuzvisikwa izvi zvinonzwisisika kupfuura zvatinoona?
