Chapter 12 Science voc.
Terms
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- sporophyte
- a stage in a plant life cycle during which spores are produced
- gametophyte
- a stage in a plant life cycle which eggs and sperm are produced
- nonvascular plant
- a plant that depends on the processes of diffusion and osmosis to move materials from one part of the plant to another
- vascular plant
- a plant that has specialized tissues called xylem and phloem, which move materials from one part of the plant to another
- gymnosperm
- a plant that produces seeds but not flowers
- angiosperm
- a plant that produces seeds in flowers
- rhizoid
- small, hairlike threads of cells that help hold nonvascular plants in place
- rhizome
- the underground stem of a fern
- pollen
- the dustlike particles that carry the male gametophyte of seed plants
- pollination
- the transfer of pollen to the female cone in conifers or to the stigma in angiosperms
- cotyledon
- a seed leaf inside a seed
- xylem
- a specialized plant tissue that transports water and minerals from one part of the plant to another
- phloem
- a specialized plant tissue that transports sugar molecules from one part of the plant to another
- sepal
- the leaflike structures that cover and protect an immature flower
- petal
- the often colorful structures on a flower that are usually involved in attracting pollinators
- stamen
- the male reproductive structure in a flower that consists of a filament topped by a pollen-producing anther
- pistil
- the female reproductive structures in a flower that consist of a stigma, a style, and an ovary
- stigma
- the flower part that is located at the tip of the pistil
- ovary
- in animals, an organ in the female reproductive system producing eggs; in flowers, the structure containing ovules that will develop into fruit following fertilization