4 ms·
> At one point, during the period mammals were all still fish, evolution was still experimenting with death, and so fish have much more variation in their aging
by apothegm 4mo ago
> At one point, during the period mammals were all still fish, evolution was still experimenting with death, and so fish have much more variation in their aging and death than mammals do. If you go back further, to reptiles, there's even less death.
Huh?
Fish came before reptiles.
- bryanrasmussen 4mo agomammals grew from synapsids, which were relations to diapsids from which the reptiles came from. So these two groups came after fish. https://bio.libretexts.org/Bookshelves/Introductory_and_General_Biology/General_Biology_(Boundless)/29%3A_Vertebrates/29.03%3A_Amphibians/29.3C%3A_Evolution_of_Amniotes https://bio.libretexts.org/Bookshelves/Introductory_and_Gene...
- IAmBroom 4mo agoAll of which presupposes we are talking about a phylogenetic subdivision of "fish", of course.