Audience: Students; Grades: 6-12; Subject Areas: Science. (2000) Explores the general characteristics of plants, examining the structures and functions of roots, stems, and leaves. Describes the vascular tissues of plants, which include xylem, cambium and phloem and illustrates the differences between annual, biennial, and perennial flowering plants. Describes how plant structures are useful sources of food-building materials and the role plant structures play in plant survival. Includes a ten-question video quiz. For the teacher's guide go to: https://drive.google.com/folderview?id=0B9ZT7PYcIjLfa2FaODVtbElIZzQ&usp=sharing