In which era did dinosaurs exist or begin to exist? Mammals?
1 Answer
Mar 4, 2017
Dinosaurs existed during the Mesozoic era. Mammals existed at that time as well but flourished after dinosaurs went extinct.
Explanation:
https://propelsteps.wordpress.com/2013/09/10/know-the-history-of-life-on-earth-in-one-page/
This is a really cool site for this kind of thing.
