

Hard walled cells transport water and mineral nutrients in a kind of tissue.

The reproductive structure of a flowering plant that usually consists of a pistils, stamens, petals, and sepals. The three groups of plants that lack specialized conducting tissues and true roots, stems, and leaves.Ī plant embryo that is enclosed in a protective coat.Īn organism in an early stage of development of plants and animals in humans, a developing individuals is referred to as an embryo from the second through the eighth week of pregnancy. One of a pair of specialized cells that border a stoma and regulate gas exchange. One of many openings in a leaf or a stem of a plant that enable gas exchange to occur.Ī plant that has a vascular system composed of xylem and phloem, specialized tissues that conduct materials from one part of the plant to another.Ī conducting system of tissues that transport water and other materials in plants or in animals.

A rootlike structure in nonvascular plants, such as mosses or liverworts, that holds the plants in place and aid in absorption.Ī waxy or fatty and water tight layer on the external wall of epidermal cells.
