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Chapter 4

losson 1,2,3,4,5, and 6

TermDefinition
Root Cap A structure that covers the top of the root
Cambium A layer of cells that covers the phloem and the xylem cells.
Stoma A small opening in the underside of the leaf which oxygen, water, and carbon dioxide can move.
Transpiration a process in which water is lost in the leaves of a plant.
Embryo A young organism
Germintation The sprouting of an embryo.
Flower The reproductive part of a structure
Pollination The transfer of pollen from plant to plant
Sepal A leaf like structure that protects the bud of a flower.
Petal The colorful structure of flowers
Stamem The male reproductive part of the Flower
Pistil The female reproductive part of the flower
Ovary The flower structure that encloses and protects ovules and seeds as they develop
Sporophyte The stage in the life cycle of a plant in which the plant produces spores
Gametophyte the stage in the life cycle in which the plant produces gametes, or sex cells
Annual A flowering plant the completes its 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 2 years
Fertilization The process in sexual reproduction in which an egg and a sperm join
Zygote A fertilized egg
Cone The reproductive structure of a gymnosperm
Ovule The plant structure in seed plants that produces the female gametophyte
Fruit The ripened overy
Cnidarian A radially symmertical invertebrate
Mollusk An invertebrate with a soft body
Arthropod An invertebrate with an exoskeleton
Exoskeleton an external skeleton
Echinoderm an radailly symmetrycal marine invertebrate that has a internal skeleton
Endoskeleton an internal skeleton
Created by: 0003412stu