Plant Anatomy Passarelli flashcards

Terms	Definitions
gametophyte	sexual phase; haploid
Sporophyte	asexual phase; diploid
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.

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