shittyaskscience·Shitty Ask Sciencebyactionjbone Why don't all mammal babies have egg teeth? All of them come from eggs.View original on sh.itjust.works2Comments2Reply
TTraipsersWill lemmy.worldMammal noses were once 'egg teeth', but for some reason mammal eggs lost their hard shells, and the noses (scientific name: 'schnozzolae') were re-purposed for the olfactory sense.3Reply
Eeyore_Syndrome sh.itjust.worksEchidnas do. Not sure about other Monotremes. The Egg-Laying™ Mammals.Actual0Reply
2 replies
Mammal noses were once 'egg teeth', but for some reason mammal eggs lost their hard shells, and the noses (scientific name: 'schnozzolae') were re-purposed for the olfactory sense.
Echidnas do.
Not sure about other Monotremes.
The Egg-Laying™
Mammals.Actual