Fossils from the Burgess Shale Date Back to Approximately

Question

Fossils from the Burgess Shale date back to approximately
A)50 million years ago.
B)130 million years ago.
C)320 million years ago.
D)410 million years ago.
E)540 million years ago.

Accepted Answer

The organisms of the Burgess Shale were buried and began to become fossils about 540 MYA.