Why didn’t the small post apocalypse survivor dinosaurs just refill the niches? Did the asteroid alter the planet in some way fundamentally different than the prior 200M years?
Edit: (collaborative clarification with my 5yo, with paraphrasing): Birds are boring dinosaurs. Why didn’t the big dinosaurs (non bird) come back? Why are there no mammal-sized (non bird) dinosaurs? (e.g., mouse through elephant-sized or even whale size)
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Even the “cool” dinosaurs may have been more bird-like than you think. There is a theory about the T-Rex, that all these years we’ve been assembling the arm bones backwards… meaning they’re not arms, but wings. Certainly not enough to fly or anything, but with large feathers could have been used for balance and other uses.
Picture a T-Rex, but covered with feathers. Basically a gigantic chicken.
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