We are in the Holocene Epoch (11,700 years ago to today) of the Quaternary Period (2.58 mya to today) of the Cenozoic Era (65.5 mya to today).
In the late period of the Cenozoic Era humans first existed.
A long period of time is commonly referred to as an era or epoch.
It is the symbol for the word 'Circa'. It means 'about' when describing a time reference. Therefore C 5000 BC. Would mean around 5000 years before the christian era. Also refered to as the common era. See the related link for more inforamtion.
During the Paleolithic Era, much of the northern part of the world was covered by vast ice sheets and glaciers, forming the Pleistocene ice age. These ice sheets advanced and retreated multiple times, shaping the landscape and influencing human migration patterns and adaptations during this period.
Hunter-gatherers in the Paleolithic era had minimal impact on their environment as they lived in small, nomadic groups and did not engage in large-scale agriculture or permanent settlements. Their hunting and gathering practices were sustainable and did not lead to depletion of resources. Overall, they lived in harmony with their surroundings, adapting to the conditions of their environment.
precambrian times
The Quaternary is the youngest era in the geologic time scale, which began around 2.6 million years ago and continues to the present day. It is characterized by the presence of ice ages and the evolution of humans.
This period is called holocene.
Cenozoic is not a major period of the geologic time scale. The scale is broken down into eras. Cenozoic, Mesozoic and Paleozoic are all part of the Phanerozic era.
A period is smaller than an era in the geologic time scale. It is further subdivided into epochs and ages.
an era uhm NO ^ an eon . (apex)
geologic time scale
The two basic divisions following the Precambrian on the geologic time scale are the Paleozoic Era and the Mesozoic Era. These eras are further divided into periods, such as the Cambrian, Devonian, and Permian in the Paleozoic Era, and the Triassic, Jurassic, and Cretaceous in the Mesozoic Era.
an era uhm NO ^ an eon . (apex)
an era is a very long span of geologic time
The divisions of the geologic time scale are divided into four eras. from earliest to closer to the present is the Precambrian, Paleozoic, Mesozoic, Cenozoic. During these time periods, there were several major evolutionary events. Most commonly known are the dinosaurs and humans. Hope that helped :)
The 4 eras are Cenozoic era, the mesozoic era, the paleozoic era, and the precambrian era.