Leaves
Stems
Roots
Flowers
Misc.
100

A pair of cells that regulate the opening and closing of the stoma.

What are guard cells?

100

Stem that can produce secondary growth.

What is a woody stem?

100

The last 1 cm of the root, which consists of young tissues such as the root cap, quiescent center, and subapical region.

What is the root tip?

100

The microspore that is made in the anther that produces sperm.

What is pollen?

100

The loss of rigidity of nonwoody plants due to diminished water in the cells.

What is wilting?

200

The waxy substance on the outer epidermal surface.

What is the cuticle?

200

Vascular tissue that conducts water and dissolved minerals from the roots to other parts of a plant.

What is the xylem?

200

Type of root system composed of one main primary root and many roots branching off of the primary root.

What is the taproot system?

200

A flower that contains both the male and female flower parts.

What is a perfect flower?

200

Process of water movement through a plant and the evaporation of water from plant leaves, stems, and flowers.

What is transpiration?

300

Colored pigment that is the most abundant, therefore, makes the leaves their green color.

What is chlorophyll?

300

Vascular tissue that conducts food from the leaves to other parts of a plant.

What is phloem?

300

Type of root system composed of many primary and secondary roots of similar size and had no dominant primary root.

What is the fibrous root system?

300

Green, leaf-like structure on the exterior of a flower that protects the flower as a bud.

What is a sepal?

300

Fungi that are beneficial to plant's roots.

What are mycorrhiza?

400

The leaf stalk.

What is the petiole?

400

The bud located at the end of the stem.

What is the terminal bud?

400

Layer of tissue that produces the root hairs.

What is the epidermis?

400

The sticky female flower part.

What is the stigma?

400

Tissue responsible for making up the conductive vessels of the plant.

What is vascular tissue?

500

Tiny pore in the epidermis of the leaf that regulates the exchange of gases.

What is the stoma?

500

Tissue that makes up the core of a dicot stem, composed of large, thin-walled parenchyma cells.

What is pith?

500

Region of inactive cells that become active if there is a need to replace damaged meristematic cells.

What is the quiescent center?

500

The male flower part, the anther and filament combined.

What is the stamen?

500

Tissue responsible for making up the outer protective covering of leaves, roots, and stems.

What is dermal tissue?

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