DENDROLOGY

Detailed explanation-1: -Vascular plants are plants with tubes to carry nutrients and water throughout the plant. Nonvascular plants are plants without transport tubes to carry water and nutrients throughout the plant. Xylem is vascular tissue that carries water and nutrients from roots to the other parts of a plant.

Detailed explanation-2: -Vascular plants are grouped according to how they reproduce. Specifically, the various types of vascular plants are classified by whether they produce spores or seeds to make new plants. Vascular plants that reproduce by seed evolved highly specialized tissue that helped them spread across the land.