Biology Quiz #1 A-z

Angiosperm

a flowering plant that produces seeds within a fruit

Anther

the part of a stamen that contains the pollen, produces pollen.

Antipodal cells

The three haploid cells in the mature embryo sac of flowering plants

Blade

Broad, flat portion of a leaf.

Carpel

The female reproductive organ of a flower, consisting of the stigma, style, and ovary.

Coevolution

Process by which two species evolve in response to changes in each other.

Coleoptile

Covers and protects the shoot as it grows upward.

Collenchyma

Type of ground tissue cell with a strong, flexible cell wall; helps support larger plants.

Compound

A thing that is composed of two or more separate elements; a mixture.

Cotyledons

Embryonic leaves.

Cuticle

The waxy, waterproof layer that covers the leaves and stems of most plants.

Deshiscence

Wound opened back up.

Dermal

Refers to the plant epidermis.

Differentation

Process in which cells become specialized in structure and function.

Dormacy

Period of time during which a plant embryo is alive but not growing.

Egg cell

female reproductive cell

Embryo

Developing stage of a multicellular organism.

Embryo sac

Female gametophyte.

Endosperm

Food-rich tissue that nourishes a seedling as it grows.

Epicotyl

The portion of seed plant embryo above the cotyledon.

Epidermal cell

Dermal tissue usually consists of a single layer of this type of cell.

Epigeal

Growing on the ground.

Eudicot

One of the flowering plants generally characterized by embryos with two cotyledons.

Fertilization

Fusion of an egg and sperm cell.

Fiber

Elongated cells whose long, tapering ends interlock, thus providing maximum support to a plant.

Fibrous root

Root system made up of many threadlike members of more or less equal length.