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17 terms

AP Bio: Chapter 38

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Sepals, petals, stamens, carpels
order of circle from outside to inside
embryo sacs
the female gametophyes are egg-producing structures that form within the ovules in ovaries
complete flowers
all four organs
incomplete flowers
lacking one or more of the four floral parts
bisexual flower
both stamen and carpel
unisexual flower
either stamen or carpel, but not both
monoecious
staminate and carpellate flowers are located on the same individual plant
dioecious
staminate flowers and carpellate flowers on seperate plants
microspores
eventually give rise to haploid male gametophyte
megaspores
femalesgametophytes
self=incompatibility
most common anti-selfing mechanism in flowering plants, the ability of a plant to reject its own pollen and the pollen of closely related individuals
endosperm
a food storing tissue of the seed
double fertilization
The union of two sperm cells with different nuclei of the embryo sac. Ensures that the endosperm will develop only in ovules where the egg has been fertilized.
hypocotyl
the point at which the cotyledons are attached
radicle
embryonic root
epicotyle
the portion of the embryoic axis about the cotyledons
vegetative reproduction
many plant species clone themselves by asexual reproduction