The living unit of the cell.

The capacity to do or perform work.

The tiny pore or leaf opening appearing between guard cells of the epidermis; oxygen and carbon dioxide exchange between inner photosynthetic leaf cells and the atmosphere occurs through these openings.

The water- and mineral conducting tissue of a plants vascular or transport system.

A protein and fat structure serving as a covering and organizer in cells.

Oblong cells with unevenly walls for support in young stems.

The most common plant cell, found in practically all parts of plant body; important for food production, food storage, lateral transport, and other life prpcesses; an almost round cell in some tissues.

A leaf-like part of the flower where seeds are produced.

The science dealing with the shape and structure of plants and animals.

A flower part; the ring of leaf-like appendages occurring inside the sepals, but outside the stamens.

A plant cell of a long fiber type or variable sclereid type; important in plant body support; may be part of xylem or phloem tissues.

The food-conducting tissue of a plant's vascular or transport system.

A flower part; a ring of pollen -producing appendages of a flower; inside the petals, but outside the carpels.