11-14-07 - BIO 311D 11/14/2007 9:08:00 AM Angiosperms:...

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BIO 311D 14/11/2007 10:08:00 Angiosperms:  flowering seed plants the dominant plant form on earth (>250,000 species) flowers to increase insect pollination fruit to protect the seed and developing embryo until favorable germination  conditions occur the life cycle of an angiosperm Eudicots and monocots Almost 180,000 species o Cabbage and daisies o Flowering shrubs and trees o Cacti About 80,000 monocots Orchids palms barley and wheat Remember the 5 features to distingiuish mono from dicots o Embryos—mono has one cotyledon and di has two o Leaf variation—mono veins usually parallel and di veins are netlike o Stems—mono have vascular bundles usually in a complex arrangment  and di have arranged bundles o Roots—mono have fibrous roots and di usually have a taproot o Flowers—mono have floral parts with multiples of 3 in petals and di 
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11-14-07 - BIO 311D 11/14/2007 9:08:00 AM Angiosperms:...

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