During the late Precambrian, about 560 million years ago, the first confirmed macroscopic multicellular organisms appeared. Around 558 million years ago, the first mollusk, Kimberella,appeared in the fossil record.
No. There were no reptiles or even vertabrates in the Precambrian. Reptiles first appeared in the late Carboniferous.
The first animal life on Earth was in the ocean in the Precambrian time. The exact nature of the first animals is not known as the fossil record from that time is incomplete.
The presumed animal fossils first appeared during the Archaean Cambrian period. There is no clear indication why they appeared this late into history.
The first organism appeared during the Proterozoic period. It is estimated that the first organism appeared between 2.5 and 3.8 billion years ago.
2 billion years ago ... You Plato user huh....
No, the first bird was a dodo, and it appeared in ancient rome approximately 1500 years ago!!
Jellyfish were not even alive during the Precambrian era because only single-celled organisms lived.
Animal life first appeared in the oceans around 600 million years ago during the Ediacaran period.
The Precambrian Era was the first emergence of complex, multicellular life forms on earth. Jellyfish and segmented worms were discovered to have lived during this time.
Archaeopteryx, a birdlike animal that had feathers
In the Archean eon, precambrian era because the first prokaryote appeared around 3.5 billion years ago.