TIESULUI
Carboniferous
Jurassic
Thassic
Permian
Pennsylvanian
Mississippian
Devonian
Silurian
Ordoviciantes
Cambran
Precambrian
Paleozoic
Which method is most likely used to identify what happened before the start of the Paleozoic era?
O
Scientists study fossils from the Jurassic period.
Scientists observe index fossil records of the Mesozoic era.
Scientists examine fossil evidence during the Precambrian time
Scientists explore the emergence of mammals and humans in the Cenozoic era.