BIOL 1202 : Final
Document Summary
Both male and female parts bisexual plant. Complete flowers have 4 parts: sepal: sometime colored, attractors (animal pollinators, petal: colored, patterned to attract. Colorless flowers produce a scent that attracts nocturnal insects. Specifically release these scent when the sun go down: stamen: male reproductive parts. Before meiosis, the whole stamen is diploid: carpels: female reproductive parts composed of stigma, style, and ovary. Inside the ovary are diploid cells that undergo meiosis to produce megaspores. Then undergo mitosis and produce many female gametocytes: know structure of flowers (picture on slides) for exam. Incomplete flower lack one or more of the four parts. Hit or miss strategy: release sperm and either hits or doesn"t hit female: wind pollinated flowers: inconspicuous and unscented, produce lots of. Coevolution of flowers and pollinators pollen: animal pollinated flowers, attract pollinators, stop unwanted visitors using physical modification, ensure pollination is the goal, some flowers have structures that work mechanically once a pollinator lands on the flower.
