Chapter 30 notes

Chapter 30 notes - Chapter 30 Plant Diversity II: The...

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Click to edit Master subtitle style 6/13/11 Chapter 30 Plant Diversity II: The Evolution of Seed Plants
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6/13/11 Concept 30.1: The reduced gametophytes of seed Characteristics common to all seed plants Seeds Reduced or dependent gametophytes Heterospory (two different types of spores are produced) Ovules (where the female gametophyte
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6/13/11 Gametophyte/sporophyte relationships Gametophytes of seed plants develop within the walls of spores retained within tissues of the parent
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6/13/11 Ovules and Production of Eggs An ovule consists of a megasporangium, megaspore, and protective integuments
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6/13/11 Pollen and Production of Sperm Microspores develop into pollen grains Contain male (male symbol Angiosperm pollen grains Pine pollen Microspores
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6/13/11 If a pollen grain germinates, It gives rise to a pollen tube that discharges sperm into the female gametophyte within the ovule
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6/13/11 A Seed Develops from the whole ovule Includes sporophyte embryo, food Pine Embryo
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This note was uploaded on 06/13/2011 for the course BIOL 1202 taught by Professor Gregg during the Spring '08 term at LSU.

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Chapter 30 notes - Chapter 30 Plant Diversity II: The...

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