The Cenozoic Era is the most recent (and currently ongoing) Geological Era of the three major subdivisions of the history…
Out of the three geological eras, the Paleozoic Era is the earliest of all. Divided into six distinct geological periods,…
The Mesozoic Era was a collection of three geological time periods when life on earth – especially in the Animal…
Source Crustaceans – often called Crustacea – are a very large group of arthropods with over a hundred thousand species.…