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1 gen 460000000 anni a. C. - Ensimmäiset eliöt maalle

Descrizione:

Ilmakehässä oli happea nykyiset 20%. Otsonikerros vahvistui ja UV-säteilyä ei päässyt enää vaarallisia määriä maan pinnalle. Ensimmäisena maalle siirtyivät kasvit ja sienet.

Aggiunto al nastro di tempo:

Elämä maapallolla

ByLuukas Majuri
16 ott 2018

Data:

1 gen 460000000 anni a. C.
Adesso
~ 5883516 years ago
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