Question

Match the correct geological era with the items listed below. Choices will be used more than once.


1.
The “Age of Reptiles”


2.
The “Age of Mammals”


3.
This era lasted nearly 4 billion years


4.
The first land animals appear


5.
This era started 248 million years ago


6.
Age of the oldest rocks


7.
The first one-celled organisms (microscopic life) appear


8.
Dinosaurs became extinct
a.
Mesozoic Era
b.
Precambrian Era
c.
Cenozoic Era
d.
Paleozoic Era