Fail:Oxygen atmosphere.png

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Oxygen_atmosphere.png(617 × 467 piksel, saiz fail: 25 KB, jenis MIME: image/png)

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Ringkasan

Keterangan
English: Representation of evolutionary and geological events leading to changes of oxygen content in earth's atmosphere since the formation of the planet.
עברית: תצוגה של המאורעות האבולוציוניים והגיאולוגיים שגרמו לשינויים בתכולת החמצן באטמוספרה של כדור הארץ

Geological events:

  • A) No oxidized iron found.
  • B) Oxidized iron bands in seabed rock = evidence for O2 in oceans.
  • C) Oxidized iron bands on land; ozone layer formation = evidence for O2 in atmosphere.

Biological events:

  • 1) Earliest fossilized cells found.
  • 2) Photosynthetic bacteria start producing O2.
  • 3) Aerobic metabolism evolves.
  • 4) Evolution of multicellular plants starts.
  • 5) Evolution of animals starts.

For sources, compare to:

Tarikh 9 April 2007 (original upload date)
Sumber Transferred from en.wikipedia to Commons.
Pengarang Tameeria at Inggeris Wikipedia

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  • 2007-04-09 18:37 Tameeria 617×467×8 (25102 bytes) Representation of evolutionary and geological events leading to changes of oxygen content in earth's atmosphere since the formation of the planet. Geological events: *A) No oxidized iron found. *B) Oxidized iron bands in seabed rock = evidence for O<sub>

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Tarikh/WaktuGambar kenitUkuranPenggunaKomen
semasa14:30, 1 Jun 2007Gambar kenit bagi versi pada 14:30, 1 Jun 2007617 × 467 (25 KB)Yonidebest{{Information |Description={{en|Representation of evolutionary and geological events leading to changes of oxygen content in earth's atmosphere since the formation of the planet. Geological events: *A) No oxidized iron found. *B) Oxidized iron bands in s

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