AP BIOLOGY

Detailed explanation-1: -The xylem is a tissue which transports water and minerals from the roots up the plant stem and into the leaves. Xylem consists of dead cells. The cells that make up the xylem are adapted to their function: They lose their end walls so the xylem forms a continuous, hollow tube.

Detailed explanation-2: -The xylem tissue carries water and mineral ions from the soil up to the stem and the leaves. The mineral ions and water only travels in one direction. Xylem cells are dead. The phloem tissue transports sugars made from the leaves to the rest of the plant.

Detailed explanation-3: -Nitrate ions are transported up the plant in the xylem and can be used to make amino acids etc. in the leaf cells.

Detailed explanation-4: -In plants, water and minerals are transported through xylem cells from soil to the leaves. The xylem cells of roots, stems and leaves are interconnected to form a conducting channel that reaches all parts of the plant body. The root cells take ions from the soil.

Detailed explanation-5: -xylem, plant vascular tissue that conveys water and dissolved minerals from the roots to the rest of the plant and also provides physical support.