The Paleozoic Era
May 15th, 2008 |
The Paleozoic Era is seen in the fossil record as an explosion of life forms. The Cambrian Period marks the beginning of an era with thousands of new life forms in the ancient seas. Prior to the Cambrian period fossils are extremely rare but after about 540 million years ago the fossil record shows many and varied life forms.
Life In The Seas
It is this characteristic, life in the ancient sea, which distinguishes the Paleozoic Era from all others. You see, the autotroph
