These changes separate the reptiles from the amphibians. #1, the evolution of stronger, more effective jaw mechanisms, is the subject of this lecture and one topic in last week’s lab. The other ...

Some paleontologists think that fossils recovered from Antarctica are evidence of birds similar to modern geese and ducks ...

Our research considers how living and extinct animal skeletons function. We study why skeletons are shaped in a particular ... Origin of mammals Most studies of mammalian origins have focused on ...

Bats in the noctilionoid group, like Darwin’s finches, have evolved an impressive variety of jaw and tooth adaptations to ...

But the timing of this switch from jaw to ear has been difficult to pin down, reports Science News. Jin Meng at the American Museum of Natural History and his colleagues discovered well-preserved ...

2 news conference, four fossils were displayed, including the lower jaw, which still had teeth, and skull. Officials at the Mizunami Fossil Museum said the fossils indicate the animal was about ...