Structures and Functions in Plants. Roots, Stems, and Leaves. Specialized Plant Cells. There are three types of cell found in plants that are arranged differently in roots, stems, and leaves. Parenchyma Collenchyma Sclerenchyma. Parenchyma.
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Roots, Stems, and Leaves
The gritty texture of the pear fruit is due to sclerenchyma cells!
Plants cells work together to form three tissue systems: dermal, ground, and vascular.
These tissue systems organize to produce the three organs of a plant: roots, stems and leaves.
Roots increase in length through cell division, elongation, and maturation in the root tip. A root cap covers the apical meristem. It produces a slimy substance allowing the root to move easily through the soil. Root hairs are extensions of the epidermis that increase surface area.
phloemMonocot vs Dicots Roots
Vascular tissue matures to form the innermost cylinder of the root. In the dicot, the xylem forms an X and the monocot has a prominent endodermis. The cortex is between the epidermis and endodermis. The cortex and the endodermis compose the GROUND TISSUE.
Bark-protective outer covering composed of cork, cork cambium and phloem
A compound leaf consists of several, separated segments called leaflets. The leaflets are usually grouped in pairs around the elongated rhachis
that corresponds to the midrib of a normal leaf.
Parts of a leaf called leaflets. The leaflets are usually grouped in pairs around the elongated rhachis