The period where whales first appeated is to be during the Eocene Epoch (56-34 Million Years Ago).
In the Cretaceous period.
In the Cretaceous period.
it occurs in the precambrian period.
the coelophysis
In the beginning of the world they were flightiness.
No. Answer No, flowering plants (angiosperms) first appeared (as far as we know) in the Cretaceous period.
Humans first appeared during the Quanternary Period which includes the Pleistocene and Holocene epochs.
Humans first appeared during the Quanternary Period which includes the Pleistocene and Holocene epochs.
Actually they were from the Pennsylvanian Period and the Paleozoic Era...
No no no the first shark appeared in the jurassic period.
Multicellular organisms first appeared during the Vendian period.
Silurian Period 408 - 438 Million Years Ago