Luonnonvalinta on osa evoluutiota, eikä piru, pussipiru siis, suostu kuolemaan!
https://en.wikipedia.org/wiki/Devil_facial_tumour_disease
"The devils have, in a way, fought back the extinction by developing the gene that is immune to face tumors. The genes have already existed in the Tasmanian devil as part of their immune system. They increased in frequency due to natural selection. That is, the individuals with particular forms of these genes (alleles) survived and reproduced disproportionately to those that lacked the specific variants when disease was present."
https://en.wikipedia.org/wiki/Devil_facial_tumour_disease
"The devils have, in a way, fought back the extinction by developing the gene that is immune to face tumors. The genes have already existed in the Tasmanian devil as part of their immune system. They increased in frequency due to natural selection. That is, the individuals with particular forms of these genes (alleles) survived and reproduced disproportionately to those that lacked the specific variants when disease was present."
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