1. Cuticle Vascular Tissue Zygote Nonvascular Plant Vascular Plant
Waxy, waterproof layer that covers the leaves and stems of most plants
Vascular Tissue
Internal transporting tissue in some plants that is made up of tube-like structures
Zygote
A fertilized egg, produced by the joining of a sperm and an egg
Nonvascular
Plant
A low growing plant that lacks true vascular tissue
Vascular
Plant
A plant with true vascular tissue

2. The vascular tissue through which food moves in some plants
Sporophyte
The stage in the life cycle of a plant in which the plant produces spores
Gametophyte
The stage in the life cycle of a plant in which the plant produces gametes or sex cells
Rhizoid
A thin, root like structure that anchors a moss and absorbs water and nutrients
Frond
The leaf of a fern plant
Phloem
The vascular tissue through which food moves in some plants

3. A young organism that develops from a zygote
Xylem
The vascular tissue through which water and nutrients move in some plants
Pollen
Tiny particles (male gametophytes) produced by seed plants that contain the cells that will become sperm cells
Seed
The plant structure that contains a young plant within a protective covering
Embryo
A young organism that develops from a zygote
Cotyledon
A seed leaf

4. Germination Root Cap Cambium Transpiration Gymnosperm
The sprouting of an embryo from a seed that occurs where the embryo resumes growth
Root Cap
A structure that covers the tip of the root, protecting the root from injury
Cambium
A layer of cells in a plant that produces new phloem and xylem cells
Transpiration
The process by which water is lost through a plant’s leaves
Gymnosperm
A plant that produces seeds that are not enclosed by a protective fruit

5. Cone Ovule Pollination Angiosperm Flower
The reproductive structure of a gymnosperm
Ovule
A structure that contains an egg cell
Pollination
The transfer of pollen from the male reproductive structures to the female reproductive structures in a plant
Angiosperm
A flowering plant that produces seeds enclosed in a protective structure
Flower
The reproductive structure of an angiosperm

6. Sepal Petal Stamen Pistil Ovary
A leaf like structure that encloses the bud of a flower
Petal
The colorful, leaf like structure of some flowers
Stamen
A male reproductive part of a flower
Pistil
The female reproductive part of a flower
Ovary
A flower structure that encloses and protects ovules and seeds as they develop

7. Fruit Monocot Dicot Tropism Hormone
The ripened ovary and other structures that enclose one or more seeds
Monocot
An angiosperm with one seed leaf
Dicot
An angiosperm that has two seed leaves
Tropism
The growth response of a plant towards or away from a stimulus
Hormone
A chemical in an organism that produces a specific effect such as growth and development

8. Auxin Short Day Plant Long Day Plant Critical Night Length
A plant hormone that speeds up the rate of growth in plant cells
Photoperiodism
A plant’s response to the seasonal changes in length of day and night
Short Day Plant
A plant that flowers when the nights are longer than the plant’s critical night length
Long Day Plant
A plant that flowers when the nights are shorter than the plant’s critical night length
Critical Night Length
The number of hours of darkness that determines whether or not a plant will flower

9. Day Neutral Plant Dormancy Annual Biennial Perennial
A plant with flowering cycle that is not sensitive to periods of light and dark
Dormancy
A period when an organism’s growth or activity stops
Annual
A flowering plant that completes its life cycle in one growing season
Biennial
A flowering plant that completes its life cycle in two years
Perennial
A flowering plant that lives for more than two years