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Were some of these adaptations a major factor in mammals largely surviving K-T?
by allemagne 4y ago
Were some of these adaptations a major factor in mammals largely surviving K-T?
- rolph 4y agoits more like K-T was a bottleneck and those adaptations carried through the selection regime
- allemagne 4y agoHow certain can we be that that's the case? Seems like thermo-regulation and burrowing in particular could have been helpful traits in the immediate and long-term aftermath of the asteroid impact
- rolph 4y agothe mammalian traits you speak of were the default mamalian due to pressure from the dinosaurs existence, they could not compete so survied in a compressed niche. when the dinosaurs failed to survive the bottleneck at the KT boundry, the mammals were in a position to weather it out and expand niche into a landscape devoid of most large dinosaur lineages, this was followed up with mammalian diversification founded on the small cynodont plan. this is all a tale of the fossil record and the principle of superposition
- eru 4y agoWhat is the principle of superposition in this context?
- eru 4y agoI don't think mammals largely survived K-T? What's the evidence for that? (Some mammals survived, definitely, the evidence for that is that we are here.)