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In the Archean eon, precambrian era because the first prokaryote appeared around 3.5 billion years ago.
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∙ 11y ago
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When did the cycad first appear?
they first appear in prrmian period
What was the very first form of life and when did it appear?
Simple prokaryotes emerged around a billion year ago.
When did the first flowers appear?
In the Cretaceous period.
When did the first flowering plant appear?
In the Cretaceous period.
When did crinoids first appear?
it occurs in the precambrian period.
What period did the first birds appear?
In the beginning of the world they were flightiness.
What was the first small thing to appear in the triassic period?
the coelophysis
Did flowers first appear in the Cambrian period?
No. Answer No, flowering plants (angiosperms) first appeared (as far as we know) in the Cretaceous period.
What period did human ancestors first appear?
Humans first appeared during the Quanternary Period which includes the Pleistocene and Holocene epochs.
What period did human ancestors first appear in?
Humans first appeared during the Quanternary Period which includes the Pleistocene and Holocene epochs.
When did cockroaches first appear?
Actually they were from the Pennsylvanian Period and the Paleozoic Era...
When did the first single eukaryotic appear?
According to fossil remains found in ancient rocks, the first eukaryotes are thought to have evolved from primitive prokaryotes more than two billion years ago.
