When did the Mesozoic era began?
The Mesozoic era began roughly 250 million years ago, and ended 65 million years ago.
What did Earth look like during the Mesozoic era?
I'm a Dinosaur - Ultrasaurus The Ultra Cool Dinosaur
How did the Mesozoic Era end?
The Mesozoic era ended because of a mass extinction that wiped all the life off of the earth.
- Pangaea begun to break apart during this period.
- The Mesozoic Era was the Age of Reptiles.
- Mammals, birds, and flowering plants appeared for the first time.