▲ 123 ▼ What possible evolutionary advantage is offered by my ears suddenly sprouting tons of hair? (lemmy.sdf.org) submitted 10 months ago by wesker@lemmy.sdf.org to c/nostupidquestions@lemmy.world 57 comments fedilink hide all child comments As I've gotten older, I mean.
[–] nomadjoanne@lemmy.world 4 points 10 months ago Senescent cells emit growth factors. Hair cells divide. More hair in your ear. It's just aging. Not advantageous per se, but species' lifespan is adapted to their ecosystem. permalink fedilink source