What makes a mammal a mammal? How did mammals survive the KT event when dinosaurs mostly went extinct? And why did mammals become so dominant?
When we think of the Cretaceous, or the Jurassic, we immediately think of dinosaurs. But mammals were there too! Although they weren’t the mammals you would recognize today. So what is it that makes a mammal a mam…
Listen to this episode with a 7-day free trial
Subscribe to Big Biology to listen to this post and get 7 days of free access to the full post archives.