Bio 111 - Lecture 8

Bio 111 - Lecture 8 - Biology 111 Lecture 7 - Kingdom...

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Biology 111 Lecture 7 - Kingdom Plantae October 3, 2007 I. Introduction A. Characteristics 1. Eukaryotic 2. Autotrophic (photoautotrophic) 3. Terrestrial (mostly) 4. Apical Meristems 5. Alternation of generations life cycles - haploid-diploid life cycles 6. Walled spores produced in sporangia - sporangium = container of spores 7. Multicellular Organisms including; 8. Multicellular dependent gametangia (haploid genetic condition) - antheridium - produces the sperm (LOTS) - archegonium - produces the egg (ONLY ONE) 9. Multicellular dependent embryos (diploid genetic condition) - embryo = baby sporophyte (diploid multicellular organism [2n]) - heterotrophic - nourished from the gametophyte or a special tissue ( endosperm ) - gametophyte = haploid multicellular organism B. What to include in “PLANTS” 1. Plantae : narrowest view -- with above characteristics (our concept) = The “Land Plants” (Bryophytes, Seedless Vascular Plants, Seed Plants) 2. Streptophyta : includes Embryophytes plus related green freshwater algae - Charophyceans
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This note was uploaded on 09/11/2008 for the course BIO 111 taught by Professor Parfitt during the Fall '07 term at Michigan Flint.

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Bio 111 - Lecture 8 - Biology 111 Lecture 7 - Kingdom...

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