There’s a conundrum in the paleontological community that’s been going on for quite some time. Did teeth evolve from outside dentine armor in ancient fish, or did the armor outside come from teeth in the mouth? Also, what’s up with most amphibians and all modern birds losing their teeth? PBS Eons’ Kallie Moore tells us the story.
Related Posts
Tiny oceanic plankton adapted to warming during the last ice age, but probably won’t survive future climate change – new study
Rui Ying, University of Bristol and Daniela Schmidt, University of Bristol Global temperature records are expected to exceed…
Microorganisms Rapidly Colonize Space Sample from Asteroid Ryugu, Study Finds
At a Glance A recent study has uncovered an interesting finding in the ongoing debate about extraterrestrial life.…
Turtles finally have a place in the tree of life: X‑ray study of South African fossils was a decider
Valentin Buffa, University of Zurich; Jonah Choiniere, University of the Witwatersrand; Julien Benoit, University of the Witwatersrand, and…
Study Finds Common California Fish Carry Parasites That Can Infect Humans
A study finds that nearly all common freshwater fish in Southern California carry parasitic worms that can infect humans, especially if the fish are eaten raw or undercooked.