in what period of earth time did the great increase in animal diveristy

http://en.wikipedia.org/wiki/Cambrian_explosion

THANKS

You're welcome.

The great increase in animal diversity happened during a period called the Cambrian explosion, which occurred approximately 541 to 485 million years ago. This was an important phase in Earth's history when a vast array of new animal life forms emerged, representing a significant boost in biodiversity.

To discover this kind of information, you can turn to reliable sources such as scientific literature, textbooks, or reputable websites dedicated to paleontology or Earth's history. These sources often provide comprehensive explanations and details about various geological periods and evolutionary events. By consulting these resources, you can gain a deeper understanding of the topic you are researching.