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What marked the end of the Precambrian period?
The appearance of complex, multicellular animals.
How are animals from the Precambrian era generally characterized?
The animals in the Precambrian Period were soft bodied animals. This Era was dominated by single celled organisms: algae, bacteria. Also in existence were jellyfish, spiders, crabs, and worms.
Any precambrian tine animals and plants that have turned into fossils?
Yes, although the fossil record for the precambrian period is scarce. See related link.
Were there any weird animals in precambrian?
All the precambrian animals were weird ;P
What was the longest segment of the earth's history?
It was the Precambrian time period.
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.
What was the Precambrian era's climate?
The Precambrian is a long period and just as Earth has many climates now, it had many then.
What is the name of the period that followed extensive glaciation in the precambrian?
The period that followed extensive glaciation in the Precambrian is called the Proterozoic Eon. This period was characterized by the development of complex life forms and the formation of supercontinents.
What period did the Rock of Precambrian shield form?
The Rock of Precambrian shield formed about 4 billion years ago during the Precambrian period. It is one of the oldest geological formations on Earth, characterized by its ancient rocks and lack of fossils.
When did Precambrian Time begin?
The Precambrian period was from 4600 million years ago to about 542 million years ago.
When did crinoids first appear?
it occurs in the precambrian period.
What were the dominant animals of the precambrian era?
Jellyfish intervirbrates
