The oldest fossils of eukaryotes have been estimated to be
A)6000 years old.
B)8 billion years old.
C)4.5 billion years old.
D)1.5 billion years old.
E)1995 years old.

Question

Quizplus · Accepted Answer

The oldest fossils of eukaryotes have been estimated to be about 1.5 billion years old. This is based on the discovery of fossils of simple algae and other single-celled organisms in rocks that are dated to be around 1.5 billion years old.

The Oldest Fossils of Eukaryotes Have Been Estimated to Be