Chapter 19 Vocabulary 2
Terms
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- plant
- a multicellular autotroph in which the embryo develops within the female parent
- vascular tissue
- a system of tube shaped cells that branches throughout the plant
- lignin
- a chemical that hardents the plants' cell walls
- cuticle
- coats the leaves and the other above ground parts of most plants, helping the plant body to retain water
- stomata
- microscopic pores in the leaf's surfice
- ovaries
- the protectice organ inside a flower that bears seeds
- gametophyte
- the haploid generation of a plant that produces gametes
- sporophyte
- the diploid generation of a plant that produces spores
- alternation of generations
- the alternation between the haploid and diploid forms
- byrophytes
- plants, such as moss, lacking lignin-hardened vascular tissue
- pteridophytes
- member of a group of seedless vascular plants with lignin-hardened support tissues that includes ferns
- gymnosperm
- plants that bear seeds that are "naked," or not closed in an ovary
- pollen
- the much-reduced male gametophytes that contain cells that develop into sperm
- seed
- a plant embryo packaged along with a food supply within a protective coat
- ovule
- structure in seed plants in which the female gametophyte develops
- angiosperm
- flowering plants
- flower
- a specialized type of plant shoot that functions in reproduction and is unique to angiosperms
- stamen
- the male reproductive organs of a flower
- carpel
- the female reproductive organs of a flower
- endosperm
- nutrient-strong tissue that nourishes the developing embryo of a plant
- fruit
- the ripened ovary of a flower