Dinosaurs are an entire incredibly diverse group of prehistoric creatures that were the aces of their time period, their entire era of the Mesozoic era lasting three entire geological time periods. Dinosaurs are reptilian avian animals that descend from both and eventually gave rise to mammals after death.
Dinosaurs have so much impact on popular culture, history, imagination, evolution, and more. Dinosaurs are such a broad topic that can lead to many different directions. There is such a variety within these creatures and high level of diversity.