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The crown eukaryotes are known to have existed in the paleoproterozoic era. Crown eukaryotes are an artificial group of eukaryotic organisms found at the top of molecular phylogenetic trees including both eukaryotes and prokaryotes. They were originally thought to represent a late step of eukaryotic evolution because they include multicellular and macroscopic lifeforms that represent the majority of the biomass of the planet while accounting for less than 1% of the genetic diversity.
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What is the 1st period in the Paleozoic Era?
The first period in the Paleozoic Era was the Cambrian.
This era started 570 million years ago?
Paleozoic
What era started 570 million years ago?
Paleozoic
What are the different kinds of Era?
This three eras was included in the Proterozoic Eon.The first Era was the Paleoproterozoic Era;next is the Mesoproterozoic Era;then the last is the Neoproterozoic Era. This another three eras was according to the Phanerozoic Eon.The first Era was the Paleozoic Era;followed up by the Mesozoic Era;then the lastly was the Cenozoic Era.
What era is 1915?
Its technicly not an era it is just in the cenezoic era. And we also are living in it now
In which geoligic era did trilobites and sharks coexist 1 Cenozoic 2 mesozoic 3 Paleozoic 4 Precambrian?
precambrian is when all humans and living things and sharks existed of course
What is the 1st period in the Paleozoic Era?
The first period in the Paleozoic Era was the Cambrian.
What two things appeared in the paleozoic era?
first fish, reptiles,appalachian mountains
What era is silurian in?
The Paleozoic Era
Did any Paleozoic Era animal life survive?
Yes. If no animals survived from the Paleozoic into the mesozoic, then there would be no animals today.
What is the third geological era?
paleozoic era
What era is the era of ancient life?
i cant answer this :(
Is the mississippian period in paleozoic era?
Yes. The Mississippian period is a part of the Paleozoic era, along with the Cambrian, Ordovician, Silurian, Devonian, Pennsylvanian, and Permian periods.
What era were the brachiopods from?
Paleozoic
Is paleozoic the second era?
No, the Paleozoic era is the first of three eras in the Phanerozoic eon. It spans from around 541 million years ago to 252 million years ago. The following era is the Mesozoic era, which is the second era in the Phanerozoic eon.
What is another name for the Paleozoic Era?
The Paleozoic Era is also known as the age of ancient life.
The Cambrian Period was part of what era?
The Cambrian Period was from about 543 to 490 million years ago. It is the earliest period in the Paleozoic ("old life") Era. Until relatively recently paleontologists thought this marked the beginning of life. Primitive life is now know from the Pre-Cambrian Eon.
