BI 101 lecture notes 9.28

BI 101 lecture notes 9.28 - BI 101 9.28 Plant structure...

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BI 101 9.28 Plant structure Producers : produce own sugars Monera Protista Plantera Autotrophs (self-feeding) = producers Photoautotrophs use sunlight for energy Chemoautotrophs use a variety of chemicals Photosynthesis= oxygen > carbon dioxide + water > sugar Respiration uses up oxygen and sugar but only for maintenance of the cells in the plant Excess oxygen leaves plant Excess sugar is stored or used for growth 20% of photosynthesis is by plants Plant classification Most are multicellualr Most are eukariyotic cells Most are sessile Most are photosynthetic Kingdom plantae / \ Nonvascular - found in areas with water vascular Limits size and areas to grow / \ MOSS seeds (more complex) spores uses water to disperse eggs / \ FERN Cone-bearing conifer flower-bearing seeds come from flowers 300+ families of flowers Family solanaceae Tomato Potato Many gardening flowers Poisonis flowers Once you find something in a family, you try to find a scientific name Genis species Bell pepper - Solanaceae Capsicum annuum Habanero pepper –
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