A new analysis of the frog family tree reveals that the common ancestor of frogs, which long had lower-jaw teeth, lost them more than 230 million years ago before eventually going extinct.Then 15 million years ago, they got lower teeth back! It is really so amazing! you HAVE TO READ IT!!!
national geographic.com-frogs teeth evolution science
They still dont know why the teeth came back, but I hope thay can find out.
apereantly, frogs aren't the only ones re-evolving...
In general, losing complex features is common in evolution. Humans and frogs have lost their tails, most snakes have lost limbs, and birds and turtles have lost teeth, according to the study.
But in the past eight years or so, more studies have found evidence of these advanced characteristics springing up again—for instance, wings in stick insects and fingers and toes in lizards.
This is just VERY amazing!
No comments:
Post a Comment