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23 Cards in this Set

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pollen cone
produce male gametophytes, in gymnosperms, smaller than seed cones
seed cones
produce female gametophytes, larger than pollen cones, in gymnosperms
ovules
structure in seed cones in which female gametophytes develop, Angiosperm
pollen tube
structure grown by pollen, contains two haploid sperm nuclei, carry male gametophyte
petals
brightly-colored structure, just inside the sepals; attract animals
sepals
outermost circle of floral parts; plants are green and resemble ordinary leaves
stamen
male part of the flower; made up of an anther and filament
filament
long, think stalk, supports the anther
anther
an oval sac where meiosis takes place, produces haploid gametophytes- pollen grain. example: Lily
carpels
intermost floral parts which produce the female gamteophytes, called the pistal, hold up structure
ovary
found in carpel, contains one or more ovules where female gamtetophytes are produced
style
thin, top part, the dimater of the carpel. very narrow
stigma
sticky portion at the top of the style where pollen grains land
embryo sac
contained within the ovule, is the female gametophyte of a flowering plant
endosperm
a food rich tissue which nourishes the seedling as it grows
double fertilization
fertilization in angiosperms in which 2 distinct fertilization events take place between male and female gametophytse, results- endosperm
fruit
associated with angiosperms
dormancy
when a plant embryo is alive but not growing
stolon
long, trailing stemt aht produces roots when it touches the ground- strawberries
budding
process by attaching a bud to a plant to produce a new branch
germination
early growth state of a plant embryo
grafting
use of stem as a scion
vegetive reprodcution
method of asexual reproduction used by many flowering plants