Plants are one of the most diverse organisms on this plant. One of the major classification of plants is if it is vascular or nonvascular. Non vascular plants usual consists of things like mosses. They are low to the ground and absorb water directly through their surface.
Vascular plants are the tall leaf structure plants with the almost vein looking structures in them. These structure are called xylem and phloem. They are responsible for the transport of water and nutrients throughout the organism.