specialized to conduct water and nutrients throughout the plant.
hollow plant cell in xylem tissue with thick cell walls that resist pressure.
transport subsystem that carries water upward from the roots to every part of the plant.
transports solutions if nutrients and carbohydrates produced by photosynthesis.
substance that makes cell walls rigid, enables vascular plants to grow upright and reach great heights.
underground organs that absorb water and minerals.
photosynthetic organs that contain one or more bundles of vascular tissue.
made of xylem and phloem.
supporting structures that connect roots and leaves, carrying water and nutrients between them.
creeping underground stem in ferns.
haploid spores on the underside of their fronds in tiny containers.
sporangia grouped into clusters.
bear their seeds directly on the surfaces of cones.
bear their seeds within a layer of tissue that protects the seed.
the gametophytes of seed plants grow and mature within sporophyte structures.
seed-bearing structure of an angiosperm.
entire male gametophyte is contained in a tiny structure.
transfer of pollen from the make reproductive structure to the female reproductive structure.
an embryo of a plant that is encased in protective covering and surrounded by a food supply.
an organism in its early stage of development.
surrounds and protects the embryo and keeps the contents of the seed from drying out.
gamete producing plant
long, thin, cells that anchor ferns in the ground and absorb water and minerals from the surrounding soil.
small, multi-cellular reproductive structures
moss spore lands in a moist place, it germinates and grows into a mass of tangled green fillimates.
sperm with whip like tails.
where egg cells are produced.
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