23.1 Specialized Tissues in Plants
Terms in this set (26)
-anchor plants in ground
-support system for body
-exchange gases w/ air
the 3 main tissue systems of plants
through openings in their cell walls
How can water move from one tracheid into a neighboring cell?
through many small holes in its end walls
How can materials move from one sieve tube element into the next?
The cuticle protects against _____ loss.
tiny projections that some epidermal cells have
-gives leaf fuzzy appearance
long, narrow xylem cells w/ openings in their cell walls
the substance in the cell walls of dead tracheids that makes wood tough
xylem cells arranged end to end on top of one another
Sieve tube elements
the main phloem cells
cells that support the phloem cells w/ openings in their cell walls
cells w/ a thin cell wall & large central vacuole
(function: photosynthesis in leaves)
cells w/ strong, flexible cell walls
(function: support plant organs)
cells w/ extremely thick, rigid cell walls
(function: make ground tissue tough & strong)
regions of the plant that produce new cells by MITOSIS
found in the growing tip of the root or stem
An apical meristem changes into a ______ ______ when its pattern of gene expression changes.
(*produces the tissues of flowers)
-produces & stores sugars
-helps support plant
-supports plant body
-transports water & nutrients
-protects the outside of the plant
a water-conducting tissue
tissue that carries dissolved nutrients
3 principal organs of seed plants
Dermal tissue in roots contain _____ that help absorb water.
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