Question

What marked the end of the Precambrian period?
Question 18 options:

A)

The appearance of complex, multicellular animals

B)

The development of DNA-based viruses

C)

The division between archaea and eukarya

D)

The emergence of simple, protist-like animals

Answers

GPT-4o mini
The correct option is:

A) The appearance of complex, multicellular animals

The end of the Precambrian period is generally marked by the emergence of complex multicellular life, which is associated with the Cambrian Explosion that follows it.