PRECAMBRIAN(Precambrian)FIRST INVERTEBRATES
PALEOZOIC(Cambrian)FIRST FISHES(Ordovician)FIRST LAND PLANTS(Silurian)(Devonian)FIRST AMPHIBIANS.(Carboniferous,Mississippian,Pennsylvanian)FIRST REPTILES (Permian)
MESOZOIC(Triassic)FIRST DINOSAURS, MAMMALS, and BIRDS. (Jurassic)(Cretaceous)END OF DINOSAURS
CENOZOIC(Tertiary)BIRTH OF JESUS(Quaternary)DEATH OF JESUS
Put the following eras in order, from first to last. First downPre-ColumbianupdownExplorationupdownColonialupRevolutionaryLast
Put the following eras in order, from first to last. First downPre-ColumbianupdownExplorationupdownColonialupRevolutionaryLast
precambrian, palezoic, mesozoic, cenozoic
Baroque, classical, romantic, impressionist, experimental & modern
Eras and chronology are significant because they let us know when important things happened and in what order they happened. Chronology is the arrangement of events and facts in the order they occurred. An era is a period of time that is characterized by circumstances.
eras
Eras was created in 1976.
There are 4 eras, and they are the Hadean, Archean, Proterozoic, and Phanerozoic eras.
Yes, and the order's correct too.
Periods are subdivisions of geological eras.
Eras are divided into periods.
Eras is already plural. The singular is era.