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When did the first multicellular organism appear?
Multicellular organisms first appeared during the Vendian 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.
During what period did the insects first appear?
Silurian Period 408 - 438 Million Years Ago
What period did whales first appear?
The period where whales first appeated is to be during the Eocene Epoch (56-34 Million Years Ago).
When did small furry animals appear?
The first mammals appeared during the Cretaceous Period.
When did the cycad first appear?
they first appear in prrmian period
When did first trilobbites appear on Earth?
About 526 million years ago during the early Cambrian period.
When did the first flowers appear?
In the Cretaceous period.
When did presumed animal fossils first appear?
The presumed animal fossils first appeared during the Archaean Cambrian period. There is no clear indication why they appeared this late into history.
What period did the first dinosaur's appear in?
The earliest reptiles known evolved around 312 million years ago, and looked a lot like lizards. However, they were not actually lizards. The oldest known lizard fossil dates to 220 million years ago, about the same time that dinosaurs evolved. That was during the Triassic period of the Mesozoic era.
When did the first flowering plant appear?
In the Cretaceous period.
