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Oxygen was generally absent from the atmosphere during the Early Archean Era.
An organism can live as long as it can live.
archean eon
Bacteria do not need a host organism to live and multiply.
An organism that lives in another organism can kill it. At times this organism can live quite awhile in another organism.
Oxygen was generally absent from the atmosphere during the Early Archean Era.
Oxygen
The Archean era is the earliest Precambrian era, archean means "ancient" or "beginning". The Archean era starts with the oldest known rocks, about 4.6 billion years ago.
The Archean era is the earliest Precambrian era, archean means "ancient" or "beginning". The Archean era starts with the oldest known rocks, about 4.6 billion years ago.
The Archean era is the earliest Precambrian era, archean means "ancient" or "beginning". The Archean era starts with the oldest known rocks, about 4.6 billion years ago.
is a embryo a organism at its early age
An organism in the early stages of its development is an embryo.
An organism in the early stages of its development is an embryo.
An organism in the early stages of its development is an embryo.
An organism can live as long as it can live.
An organism can live as long as it can live.
The Archean atmosphere is believed to have been free of free oxygen. Banded iron formations did not occur till near the end of the Archean period.