Prahory a starohory
Prahory a starohory
- Vznik a vývoj prvního života
- Nejdelší období vývoje Země
- Nejstarší zkameněliny bakterií a sinic
- Eukaryota – zástupci řas
- Vznik fotosyntézy
- Ve starohorách vzniká velké množství druhů rostlin a živočichů (primitivní bezobratlí)
- Stromatolit = útvary vzniklé fotosyntézou sinic (živí pouze v zátoce u pobřeží Austrálie)
- Prahorní horniny se u nás téměř nevyskytují, starohorní jsou v hojném množství
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