Author Question: The Cambrian explosion refers to the A) great many meteorite bombardments that occurred during ... (Read 56 times)

luvbio · **on:** Jul 29, 2018

The Cambrian explosion refers to the

A) great many meteorite bombardments that occurred during that time.
B) great diversity of life that blossomed during that time.
C) evolution and great diversity of blastoids during that time period.
D) numerous volcanic eruptions that took place during that time.

Question 2

The beginning of the Paleozoic is marked by the emergence of

A) organisms with hard parts.
B) fish and fungi.
C) extensive glaciated deposits.
D) none of these