Category: Glossary

Climate 0

Climate

Climate sensu stricto is defined as the average weather over a bigger time interval of thousands or millions of years. Meteorologists use an interval of 30 years to average the variables like temperature, precipitation...

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Ordovician

If the Cambrian was characterized by Trilobites inventing skeletons, the Ordovician was when trilobite’s copyright expired… The Ordovician began 485 million years ago, and it ended 443 million years ago. It was the period...

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Cambrian

The Cambrian began 541 million years ago, and it ended 485 million years ago. It was the period when a huge number of different lifeforms with hard skeletons appeared immediately, after the appearance of...

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Ediacaran

The Ediacaran began 635 million years ago, and it ended 541 million years ago. It was a period when abundant fossils of large multicellular life appeared for the first time. These organisms were totally...