3.7 billion
iN THE SAHARA
According to the fossil record, the earliest cells lived about 3.5 billion years ago.
The earliest primate identifiable from the fossil record is believed to be a group of creatures called Plesiadapiforms. These small mammals lived around 65 million years ago and are thought to be ancestral to modern primates.
I know you have a textbook so use it
A:No. The earliest evidence of life on earth is probably less than 3 billion years. The earth itself is only about 4.5 billion years old.
The rose is, according to fossil evidence, 35 million years old.
Africa
iN THE SAHARA
As groups, ammonoids and nautiloids have extensive fossil records. The earliest fossil ammonoids date back to the late Silurian, and the earliest nautiloids date back to either the beginning of the Ordovician, or the very end of the Cambrian.
According to the fossil record, the earliest cells lived about 3.5 billion years ago.
The earliest known amphibian fossils can be dated back to 375 million years ago. The fossil of Elginerpeton was found in Scotland and was from the Late Devonian period.
the first fossil was found 2.6 million years ago and was a spearhead
They represent some of the earliest body fossil examples.
By creating the crust
simple prokaryotes
The fossils of the earliest reptiles are about 320 million years old. They date back to the Carboniferous period. The Carboniferous was a period in the Paleozoic era.
The earliest primate identifiable from the fossil record is believed to be a group of creatures called Plesiadapiforms. These small mammals lived around 65 million years ago and are thought to be ancestral to modern primates.