Why haven't crocodiles changed?
Crocodiles have been the same for millennia upon millennia. What's going on? Why are they so uneventful in terms of evolution? Plus, we ask why we have different blood types.
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My question is about the stability of change with crocodiles. We learned from various sources that all birds, incredible varieties of birds, came from a small pool of dinosaurs and mammals apparently all came from a shrew-like creature. I just wondered why crocodiles seem to be...