A vascular plant has specialized pipelines that carry water and nutrients around the plant.
Club mosses , ferns , horsetails , gymnosperms , and flowering plants are vascular plants.
The spine is made up of many vertebrae. Vertebrates evolved during the Cambrian period, over 500 million years ago. Other vertebrates include the amphibians, reptiles, birds, and mammals. Kingdom Metazoa, Phylum Chordata, Subphylum Vertebrata. People are viviparous.