Fermentation enables cells to produce chemical energy from the breakdown of sugar
<h2>540 million years ago
</h2>
Paleozoic.
Era immediately follows Precambrian It lasted about 4.5 billion years.
When did abundant fossil evidence first appear in the geologic record.
540 million years ago.
I believe the answer to your question is <span>Glial cells</span>
The majority of the accessible drinking water on our planet comes from glaciers.
