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Plant Anatomy Passarelli

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Spores
tiny cells that grow into new organisms; light weight and can be carried by wind
Stomata
tiny holes in plant leaves that allow for exchange of gases
Nonvascular Plants
plants that lack tissues to transport substances (such as water and sugars); absorb nutrients through their cells; no roots {ex: moss, liverwort, hornwort}
Vascular Plant
plants that hav tube-like structures throughout the plant that allow them to transport materials
Xylem
vessels that conduct water and minerals from roots to the rest of the plant
Phloem
vessels that conduct starch and sugars away from leaves (photosynthesis) down the stem
Gymnosperm
nonflowering vascular plants; most produce cones and are called conifers
Angiosperm
flowering plants
Stamen
male part of the flower (contains the anther)
Anther
contained in stamen; contains pollen grains
Pollen Grains
contained in anther; make pollen
Pistil
female part of the flower
Stigma
the part of a pistil that receives the pollen
Style
a narrow, usually cylindrical extension of the pistil; bears the stigma at its apex
Ovary
he enlarged lower part of the pistil in angiospermous plants, enclosing the ovules or young seeds
Pollination
depositing pollen in female reproductive part of plant resulting in fertilization
Ovule
the plant part that contains the embryo sac and hence the female germ cell, after fertilization develops into a seed.