Vertebrates are thought to have emerged during the Cambrian explosion around 520 million years ago, but the point in time at which these animals branched away from the phylum of chordata, which lack ...

Among them were the chordates, to which vertebrates (animals with backbones) such as humans belong. What sparked this biological bonanza isn't clear. It may be that oxygen in the atmosphere ...

Vertebrates are characterized by extremely complex morphological structures compared to other invertebrate chordates. One of ...

genes in aquatic chordates, revealing how these genes have diversified across species. This comparative analysis enhances our understanding of how NO functions in different vertebrate lineages ...