In a surprising twist, in April last year scientists discovered that octopuses, along with some squid and cuttlefish species, routinely edit their RNA (ribonucleic acid) sequences to adapt to their environment.
So basically they alter their own genetic code, however it happens on the RNA level, not the DNA level. Both is possible in principle, but the RNA changes are more rarely found in most life forms.
I remember we had a discussion on life on different planets, and one question was how likely it would be to find lifeforms living in water with technological capability. A big challenge is that a fundamental aspect of technology as we understand it relies on the ability to master fire, and it just doesn't work so well under water, even if we tried to use natural heat sources. So it seems certain high level tech, like "organic" technology involving genetic manipulation, could be unreachable, because it requires highly precise instruments that don't exist in nature.
Apparantly, there are some natural mechanism that don't need this fundament. Of course, RNA and DNA modification are different. DNA changes are inherited to descendants, but RNA changes presumably not, but it still opens up interesting possibilies which can be fun to speculate about.
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