3 ms·

All life we know of originates from one type of single-cellular life, the last universal common ancestor (LUCA) https://en.wikipedia.org/wiki/Last_universal_co

• Retric 2y ago
  Which is unsurprising as any original self replicating organisms that showed up significantly later would be at a massive disadvantage, and early competition had billions of years to find a winner. It’s worth remembering that evolution can end get stuck in suboptimal solutions because they still beat 99.999…% of the possibilities. Our blindspot is an issue but it showed up early enough that there’s been vast amounts of optimization based around that initial slightly sub optional feature.
  • yieldcrv 2y ago
    Exhibit b. Getting cancer, or specifically short telomeres, is a suboptimal evolutionary outcome that other some other mammals don’t have But because the issue appears after we reproduce, it passes on