March 5 notes - March 5 notes 05/03/2008 10:07:00 Topic #7...

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Unformatted text preview: March 5 notes 05/03/2008 10:07:00 Topic #7 : Angiosperms Characteristics o Phylogeny Classes Monocots grass Dicots apple tree o Most specious group of plants o Flower (key innovation for directed pollination) Flower parts Flower classification Perfect male and female parts in same flower Imperfect flower is either male or female Monoecious male and female flowers on same plant Dioecious male and female flowers on different plant o Fruit key innovation for dispersal Types of dispersal Wind Water mechanical Animal Eaten but seed survives Cached and forgotten Topic #8 : Harmful Effects Predation o Carnivorous plants extract nutrients (N) Toxins, irritants o Poison ivy, poison oak, poison sumac o Nettles o Some tropical species are particularly dangerous o Parasitism Indian pipe Mistletoe o Strangler fig o Needles, spines, etc o Allergies Topic #9 : Benefits Primary producers (light to food) Carbon cycle Release oxygen Medicinal uses o Bc pill, asa o 25% of all U.S. prescriptions contain plant extracts 05/03/2008 10:07:00 05/03/2008 10:07:00 ...
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March 5 notes - March 5 notes 05/03/2008 10:07:00 Topic #7...

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