Saber-toothed cats' spinal tumors suggest inbred species struggled to survive. The fossilized spines of saber-toothed cats in the La Brea Tar Pits reveal evidence of an unexpectedly high prevalence of rare spinal nerve tumors, suggesting that the species became inbred just before extinction.
A apuração publicada por phys.org vira base para uma leitura editorial direta e contextualizada.
Trechos de apoio da pauta: The fossilized spines of saber-toothed cats in the La Brea Tar Pits reveal evidence of an unexpectedly high prevalence of rare spinal nerve tumors, suggesting that the species became inbred just before extinction. These tumors, which cause significant pain and reduced limb function, could have made the cats particularly vulnerable to the lure of prey animals stuck in the tar pits.
- Ponto de atenção: saber.
- Ponto de atenção: toothed.
- Ponto de atenção: cats.
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