Ned\u00e1vn\u00fd objev v Maroku by mohl p\u0159epsat na\u0161e ch\u00e1p\u00e1n\u00ed lidsk\u00e9 evoluce a uk\u00e1zat na mo\u017en\u00e9ho posledn\u00edho spole\u010dn\u00e9ho p\u0159edka modern\u00edch lid\u00ed, neandrt\u00e1lc\u016f a denisovan\u016f. Fos\u00edlie – v\u010detn\u011b fragment\u016f \u010delisti, stehenn\u00ed kosti, obratl\u016f a zub\u016f – byly z\u00edsk\u00e1ny z jeskyn\u011b Grotte \u00e0 Hominid\u00e9s po desetilet\u00ed a nyn\u00ed jsou datov\u00e1ny do doby p\u0159ed p\u0159ibli\u017en\u011b 773 000 lety. <\/p>\n
Toto datov\u00e1n\u00ed je kritick\u00e9, proto\u017ee umis\u0165uje fosilii p\u0159esn\u011b do \u010dasov\u00e9ho r\u00e1mce posledn\u00edho spole\u010dn\u00e9ho p\u0159edka Homo sapiens<\/em>, neandrt\u00e1lc\u016f a denisovan\u016f. Zat\u00edmco p\u0159edchoz\u00ed teorie nazna\u010dovaly evropsk\u00fd p\u016fvod tohoto p\u0159edka (jako jsou fosilie Homo antecessor<\/em> nalezen\u00e9 ve \u0160pan\u011blsku), marock\u00e9 exempl\u00e1\u0159e vykazuj\u00ed jedine\u010dnou kombinaci primitivn\u00edch a pokro\u010dil\u00fdch rys\u016f. <\/p>\n Podle Abderrahima Mohiba, spoluautora studie, \u201em\u016f\u017eeme \u0159\u00edci, \u017ee spole\u010dn\u00fd p\u0159edek t\u011bchto t\u0159\u00ed druh\u016f se pravd\u011bpodobn\u011b nach\u00e1z\u00ed v Grotte \u00e0 Hominid\u00e9s v Casablance.\u201c To nazna\u010duje, \u017ee severn\u00ed Afrika hr\u00e1la v lidsk\u00e9 evoluci \u00fast\u0159edn\u00ed roli, ne\u017e se d\u0159\u00edve myslelo. <\/p>\n Ur\u010den\u00ed st\u00e1\u0159\u00ed fosiln\u00edch poz\u016fstatk\u016f bylo netrivi\u00e1ln\u00edm \u00fakolem. V\u00fdzkumn\u00fd t\u00fdm pou\u017eil metodu zvanou magnetostratigrafie, kter\u00e1 je zalo\u017eena na skute\u010dnosti, \u017ee magnetick\u00e9 pole Zem\u011b periodicky m\u011bn\u00ed polaritu. Anal\u00fdzou miner\u00e1l\u016f obsahuj\u00edc\u00edch \u017eelezo v sedimentech obklopuj\u00edc\u00edch kosti p\u0159i\u0159adili fosilie ke zn\u00e1m\u00e9mu magnetick\u00e9mu zvratu, ke kter\u00e9mu do\u0161lo p\u0159ed 773 000 lety. <\/p>\n Jeskyn\u011b Grotte \u00e0 Hominid\u00e9s se nach\u00e1z\u00ed v lomu a prvn\u00ed spodn\u00ed \u010delist byla objevena ji\u017e v roce 1969. Dal\u0161\u00ed n\u00e1lezy, v\u010detn\u011b obratl\u016f a dal\u0161\u00ed doln\u00ed \u010delisti, n\u00e1sledovaly v letech 2008 a 2009. Je pozoruhodn\u00e9, \u017ee fosilie byly nalezeny prolo\u017een\u00e9 poz\u016fstatky zv\u00ed\u0159at, v\u010detn\u011b d\u016fkaz\u016f o mrcho\u017eroutech \u2013 nap\u0159\u00edklad zuby feny hyenas. To nazna\u010duje, \u017ee jeskyn\u011b slou\u017eila jako doup\u011b pro velk\u00e9 pred\u00e1tory, co\u017e mohlo p\u0159isp\u011bt k hromad\u011bn\u00ed zkamen\u011blin. <\/p>\n Marock\u00e9 fosilie jsou nejen prastar\u00e9, ale tak\u00e9 mozaikou rys\u016f. Kombinuj\u00ed rysy p\u0159ipom\u00ednaj\u00edc\u00ed star\u0161\u00ed africk\u00e9 hominidy, jako je Homo erectus<\/em>, s vlastnostmi, kter\u00e9 lze vid\u011bt u nov\u011bj\u0161\u00edch africk\u00fdch a euroasijsk\u00fdch exempl\u00e1\u0159\u016f. Tato \u201est\u0159edn\u00ed\u201c morfologie nazna\u010duje p\u0159echodn\u00fd druh, kter\u00fd potenci\u00e1ln\u011b p\u0159edstavuje rozhoduj\u00edc\u00ed krok v divergenci lidsk\u00e9ho rodokmenu. Fosilie jsou slo\u017eit\u011bj\u0161\u00ed ne\u017e d\u0159\u00edve navrhovan\u00e9 fosilie Homo antecessor<\/em> ze \u0160pan\u011blska a vykazuj\u00ed v\u011bt\u0161\u00ed kombinaci p\u0159edk\u016f a modern\u00edch rys\u016f. <\/p>\n “Vykazuj\u00ed kombinaci primitivn\u00edch a pokro\u010dilej\u0161\u00edch rys\u016f, co\u017e nazna\u010duje, \u017ee lidsk\u00e9 populace se bl\u00ed\u017e\u00ed t\u00e9to f\u00e1zi divergence,” vysv\u011btluje Mohib. “Potvrzuj\u00ed tak hlubokou starobylost africk\u00fdch ko\u0159en\u016f na\u0161eho druhu a zd\u016fraz\u0148uj\u00ed kl\u00ed\u010dovou roli severn\u00ed Afriky v hlavn\u00edch f\u00e1z\u00edch lidsk\u00e9 evoluce.” <\/p>\n Toto zji\u0161t\u011bn\u00ed posiluje my\u0161lenku, \u017ee lidsk\u00e1 evoluce nebyla line\u00e1rn\u00ed progres\u00ed, ale komplexn\u00edm, v\u011btven\u00fdm procesem. Zd\u016fraz\u0148uje, \u017ee je d\u016fle\u017eit\u00e9 pokra\u010dovat v hled\u00e1n\u00ed fosili\u00ed v Africe, kter\u00e9 mohou obsahovat dal\u0161\u00ed vod\u00edtka k p\u016fvodu na\u0161eho druhu. Marock\u00e9 fosilie jsou mocnou p\u0159ipom\u00ednkou toho, \u017ee na\u0161e evolu\u010dn\u00ed historie zdaleka nekon\u010d\u00ed.<\/p>\n","protected":false},"excerpt":{"rendered":" Ned\u00e1vn\u00fd objev v Maroku by mohl p\u0159epsat na\u0161e ch\u00e1p\u00e1n\u00ed lidsk\u00e9 evoluce a uk\u00e1zat na mo\u017en\u00e9ho posledn\u00edho spole\u010dn\u00e9ho p\u0159edka modern\u00edch lid\u00ed, neandrt\u00e1lc\u016f a denisovan\u016f. Fos\u00edlie – v\u010detn\u011b fragment\u016f \u010delisti, stehenn\u00ed kosti, obratl\u016f a zub\u016f – byly z\u00edsk\u00e1ny z jeskyn\u011b Grotte \u00e0 Hominid\u00e9s po desetilet\u00ed a nyn\u00ed jsou datov\u00e1ny do doby p\u0159ed p\u0159ibli\u017en\u011b 773 000 lety. V\u00fdznam […]<\/p>\n","protected":false},"author":1,"featured_media":7243,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"tdm_status":"","tdm_grid_status":""},"categories":[1],"tags":[],"wpm_language_slugs":[],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.schooler.org.ua\/cs\/wp-json\/wp\/v2\/posts\/7244"}],"collection":[{"href":"https:\/\/www.schooler.org.ua\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.schooler.org.ua\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.schooler.org.ua\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.schooler.org.ua\/cs\/wp-json\/wp\/v2\/comments?post=7244"}],"version-history":[{"count":0,"href":"https:\/\/www.schooler.org.ua\/cs\/wp-json\/wp\/v2\/posts\/7244\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.schooler.org.ua\/cs\/wp-json\/wp\/v2\/media\/7243"}],"wp:attachment":[{"href":"https:\/\/www.schooler.org.ua\/cs\/wp-json\/wp\/v2\/media?parent=7244"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.schooler.org.ua\/cs\/wp-json\/wp\/v2\/categories?post=7244"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.schooler.org.ua\/cs\/wp-json\/wp\/v2\/tags?post=7244"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}Jak bylo dosa\u017eeno seznamky<\/h3>\n
Historie jeskyn\u00ed a fosiln\u00ed souvislosti<\/h3>\n
\u010c\u00edm jsou tyto fosilie v\u00fdjime\u010dn\u00e9?<\/h3>\n