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  1. it was water the world was all ocean and water signed Alexander Gregory hahahhaahhaaa yeait was like this though i read it in my science book well not read it but look at the picture
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14y ago
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13y ago

all life in oceans, life had no "hard parts" (e.g. shells, bones, teeth), oceans were less salty than they are now. the precambrian is a very long period, from before life to first life with "hard parts", environment changed many times often dramatically.

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Q: What was the environment during the Precambrian period compared to today?
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Continue Learning about General History

When did Precambrian Time begin?

The Precambrian period was from 4600 million years ago to about 542 million years ago.


What were the dominant animals in the preCambrian era?

The dominant organisms during the Precambrian include the proarticulatans, such as Dickinsonia, Yorgia, and Praecambridium which were a group of "air-mattress" organisms possibly related to modern day placozoans, rangeomorphs, such as Rangea, and Charnia, which were frond-shaped organisms that had bilateral to radial symmetries, and the trilobozoans, like Tribrachidium, which were disk-like organisms with a tri-radial symmetry, possibly related to cnidarians.The ancestral mollusk, Kimberellia, is found throughout Precambrian strata of the world.There were also sponges, and what have been interpreted as the polyps and medusae of cnidarians during the Precambrian, as well. Very primitive worms and arthropods appear at the very end of the Precambrian, as it transitions into the Cambrian period.


The two eras of the Precambrian period are?

Archeozoic and ProterozoicThe two periods of the Cenozoic Era are the Tertiary and the Quatemary.


How long did the PreCambrian era last?

The Precambrian Era. The name means: "before the Cambrian period." This old, but still common term was originally used to refer to the whole period of earth's history before the formation of the oldest rocks with recognizable fossils in them. In the last few decades, however, geologists have found that there are some hard-to-discern fossils in some Precambrian rocks, so this period is now also known as the Cryptozoic or "obscure life" Eon (from the words "crypt" = "hidden," and "zoon" = "life"). The Precambrian covers almost 90% of the entire history of the Earth. It has been divided into three eras: the Hadean, the Archean and the Proterozoic. Source: Unknown The Precambrian Era comprises all of geologic time prior to 600 million years ago. The Precambrian was originally defined as the era that predated the emergence of life in the Cambrian Period. It is now known, however, that life on Earth began by the early Archean and that fossilized organisms became more and more abundant throughout Precambrian time. The two major subdivisions of the last part of the Precambrian are the Archean (oldest) and the Proterozoic. Rocks younger than 600 Ma are considered part of the Phanerozoic.


What was life like in the 1700s compared to life today?

we had bathroom and running water-they didn't had any of that, they also had the revolutionary war among other things during that time period.

Related questions

How was the environment like during the Cretaceous period compared to the present?

grassy and naked


Why is PreCambrian called PreCambrian?

Precambrian is BEFORE the Cambrian period!


How old r the Rocky Mountains?

Most likely during the Precambrian, Cretaceous PERIOD


What did Earth look like during the Precambrian time period?

It looked like a sphere


What is the environment like in the Jurassic period compared to the present?

what was the cambrian period environment like compared to the present


What did jellyfish eat during the precambrian time period?

Jellyfish were not even alive during the Precambrian era because only single-celled organisms lived.


What was the longest segment of the earth's history?

It was the Precambrian time period.


What was earths atmosphere oceans and continents began to form during a period of earths history called?

precambrian era


What is the significance of the didvision between the Cambrian and PreCambrian periods?

During the Cambrian period, life began to appear on the planet.


Why is the Precambrian time period segmented into very few parts?

The Precambrian time period is segmented into very few parts because:


What was the environment like in the Quaternary Time Period compared to the environment in the present?

Depends on the location you're referring to.


What was the environment like in the cretaceous compared to today?

the environment during the cretaceous period was warm with ice-free poles. Back then, there were mostly dinosaurs roaming the earth, but other mammals we see today were starting to appear.