Exam 3 Notes


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Unformatted text preview: rowth of cortex and pericycle cells o 2 cell masses fuse forming a nodule o Nodule develops vascular tissue o Figure 37.12 Mycorrhizae and Plant Nutrition o Mycorrhizae: mutualistic relationship between soil fungi and plant roots o Fungus gets steady supply of sugar from the plant o Fungus provides additional water and nutrient for the host plant Two types of Mycorrhizae 35 Epiphytes, Parasitic Plants, Carvivorous plants Chapter 38: Angiosperm Reproduction Concept 38.1: Flowers, double fertilization, and fruits are unique features of the angiosperm life cycle The 3 Fs are the derived traits in angiosperms o Flowers o Double Fertilization o Fruit Simplified Angiosperm Life Cycle 36 Flower Structures o Flowers are the reproductive shoots of the angiosperm sporophyte o There are 4 floral organs in a complete flower Sepals Petals Stames Carpels o Incomplete Flowers lack 1 or more of the floral organs Reproductive Variations o Incomplete flowers may lack either stamens or carpels Staminate flowers: do not have carpels Carpellate flowers: do not have stamens o Plant with flowers of both sexes are monoecious o Plants that have flowers of one sex or the other are dioecious Pollen: The Male Gametophyte 37 o Each microsporangium contains diplo...
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This note was uploaded on 02/03/2014 for the course BIOL 1202 taught by Professor Gregg during the Spring '08 term at LSU.

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