Ichthyostegids (labyrinthodont amphibians) had vertebrae nearly identical with Rhipidistians Along with the development of stronger centra ... Fish can’t move its head independent of the body.

The similarity isn't restricted to the ends of the limbs -- the bones of the arm, forearm, and hand of different vertebrates form a recognizable pattern, even though they have been adapted to ...

Research in our group investigates a number of questions central to understanding animal evolution and development: What determines the lifelong regenerative capacity of some animal lineages ? How the ...

In vertebrates, segmentation results in the development of the spine, head, and limbs; in insects, it results in formation of the abdomen, head, and thorax. Segmentation is believed to be the ...

In an article published in the journal Nature Communications, scientists reveal that the regeneration processes in a marine worm, the annelid worm, show similarities to those observed in ...