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It took many years of evolution for complex, multi-celled organisms to develop. Single celled organisms were the first that were around to be fossilized.

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The fossil record indicates that the earliest cells lived about?

According to the fossil record, the earliest cells lived about 3.5 billion years ago.


The earliest primate identifiable from the fossil record is?

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.


Which organisms have produced the oldest fossil evidence?

The oldest fossil evidence is from single-celled organisms such as bacteria and archaea. These microorganisms have been found in rocks dating back over 3.5 billion years, providing some of the earliest known evidence of life on Earth.


What is An extinct cephalopod with an extensive fossil record?

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.


The earliest record of mammals comes from which of what rock layers?

The earliest record of mammals comes from sedimentary rock. Sedimentary rocks are deposited in layers. They are an important source of natural resources, such as coal, fossil fuel, and ore.


What is the chronological collection of life's remains found in layers of rock?

The answer is the fossil record :D


What is The fossil record indicates that the first organisms?

The name of that thing was the "kevin". He is very rare and is only found in the equator.


How does the fossil record organize fossil?

The fossil record organizes fos- sils by their estimated ages and physical similarities.


How are fossil organized in the fossil record?

The fossil record organizes fos- sils by their estimated ages and physical similarities.


When does the fossil record indicate when birds first began to fly?

The fossil record suggests that the earliest known bird capable of powered flight was Archaeopteryx, which lived around 150 million years ago during the late Jurassic period. This indicates that birds began to fly during the Mesozoic Era.


What is the age of the oldest fossil on record?

The age of the oldest fossil on record is about 3.5 billion years old.


What is the earliest record of soccer?

The chiniese