Activity for Dane‭

Type	On...	Excerpt	Status	Date
Question	—	Reality Check: Megafauna and Dinosaurs Could a planet support both large mammalian megafauna and non-avian dinosaurs at the same time? My worry is that bigger mammals have progressively more trouble with dissipating body heat, whereas large dinosaurs were generally cold-blooded, meaning they didn't have as much trouble. (I'm no expert so... (more)	—	over 6 years ago