Model vertebrates are extensively studied non-human vertebrates (species with a notochord, or vertebral column) chosen for the ease of investigating particular biological phenomena in areas such ...

While vertebrates such as lampreys and sharks exhibit more complex structures, simpler chordates like tunicates and amphioxus provide insight into evolutionary development. The film highlights the ...

He doesn't even have a head. If Blob had been born with a spine, or backbone, he would have been a vertebrate. If we give Blob some legs and a head then he can start to move about. There are lots ...

A fossil analysis suggests that the yunnanozoan, a wormlike fish that flourished around 520 million years ago, sported structures that were the precursors of the head and jaws of modern vertebrates.

The Marine Vertebrate Collection of Scripps Institution of Oceanography (ASIH Collection Code: SIO) maintains approximately two million alcohol-preserved specimens in over 120,000 lots, representing ...