Which Group Underwent a Large Increase in Diversity During the Cambrian

Question

Which group underwent a large increase in diversity during the Cambrian explosion?
A) animals
B) plants
C) fungi
D) bacteria

Accepted Answer

The Cambrian explosion was a period of rapid diversification of animal life around 540 million years ago, during which many new phyla (major groups of animals) appeared in the fossil record. Plants, fungi, and bacteria did not undergo significant diversification during this time.