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Over most of Precambrian time 80 percent of earths history-the only life forms are bacteria ,which appear about 3,500 million years ago. multiple-cells marine animals like spriggina appear at the end of the era
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∙ 11y ago
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What did Earth look like during the Precambrian time period?
It looked like a sphere
What was the longest segment of the earth's history?
It was the Precambrian time period.
Why is the Precambrian time period segmented into very few parts?
The Precambrian time period is segmented into very few parts because:
What did jellyfish eat during the precambrian time period?
Jellyfish were not even alive during the Precambrian era because only single-celled organisms lived.
Is the Precambrian time the longest or shortest part of Earth's history?
The Precambrian time period is the longest time period of Earth's history.Looks like we have the same worksheet in school :)
Why is the precambrian time period segmented into very few parts because?
The Precambrian time period is segmented into very few parts because the fossil record is scarce.
Precambrian are fossils yes or no?
Precambrian is a geologic period that extends as back as 4.500 million years ago. Fossils are very rare from that period of time.
When did Precambrian Time begin?
The Precambrian period was from 4600 million years ago to about 542 million years ago.
What time period represents 88 percent of earths history?
The Precambrian Time
What time period began 4.6 billion years ago?
Precambrian time
When did the precambrian era begin?
The Precambrian Era began in the time period 4600 and ended in 570.
Which period of Earth's time would be considered the longest?
The period of Earth's time that would be considered longest is the Precambrian Era.
