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Chapter 4
losson 1,2,3,4,5, and 6
Term | Definition |
---|---|
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 |