SCIENCE SPECIALIZED TISSUES IN PLANTS

roots

Absorbs water and minerals from the ground. Anchors plant in ground.

Stems

Carry substances between roots and leaves; provide support for plant; holds leaves up to sunlight

Trichomes

Give leaf a fuzzy appearance, help reduce the evaporation of water from the plant.

STEMS TRANSPORTING SYSTEM

MUST CONTAIN SUBSYSTEMS THAT CAN LIFT WATER FROM ROOTS UP TO THE LEAVES AND CARRY THE PRODUCTS OF PHOTOSYNTHESIS FROM THE LEAVES BACK DOWN TO THE ROOTS.

THREE OF THE PRINCIPAL ORGANS OF SEED PLANTS ARE

ROOT, STEMS AND LEAVES

leaves

The main photosynthetic organs of vascular plants.

dermal tissue

The outer covering of a plant, consisting of a single layer of epidermal cells. also outer covering covered with a thick waxy layer coating.

The two types of vascular tissue in most plants are

Xylem and phloem

*Plants consist of three main tissue systems:

dermal tissue, vascular tissue, ground tissue

guard cells

on the underside of leaves, regulate water loss and gas exchange

vascular tissue

specialized tissue in plants that carries water and nutrients throughout the plant.