BIOLOGY 102 UNIT II OUTLINE

 
The Plant Kingdom
     Common characteristics
     Ancestors
          Transition to land
     Bryophytes
          Characteristics
          Fossil record
          Alternation of generation
               Sexual reproduction
     Early tracheophytes
          Rhynia (fossils)
          Modern descendants
               Psilophytes
                    Psilotum
               Lycophytes
                    Lycopodium
               Equiphytes
                    Equisetum
               Ferns
                    life cycle
     Permian-Triassic extinction event
          Geological and climatic factors
     Evolution of seed plants
     Mesozoic forests
          Gymnosperms
               Ginkgoales
                    Ginkgo biloba
               Cycads
               Gnetophytes
                    advanced xylem
               Conifers          
                    life cycle
                         ovulate cone
                                megaspores
                                   (gametophyte)
                              pollen
                         staminate cone
                              microspores 
                                   (gametophyte)
                              ovule
     Mesozoic-cenozoic extinction (comet?)
          Modern flora - flowering plants
          Angiosperms
               Monocots
               Dicots
               Flowers
                    function
                    anatomy
                         receptacle
                         whorls
                         stamen
                         pistil
               Fruit
                    function
 
               Life cycle of angiosperms
                    Egg development (ovary)
                         Megaspore mother cells (diploid)
                         Formation of megaspores (haploid)
                         Embryo sac (8 nucleate)
                              endosperm nucleus
                              egg nucleus
                    Pollen development (anther)
                         Microspore mother cells (diploid)
                         Formation of microspores (haploid)
                         Formation of pollen grain 
                              Tube nucleus
                              Sperm nucleus
                    Pollination
                    Fertilization
                         formation of zygote
                         endosperm formation
                    Embryology of dicot
                         Proembryo
                         Endosperm
                         Meristem development
                              apical
                                   epicotyl
                                   hypocotyl
                              ground
                         Cotyledons
                    Embryology of a monocot
                    Seed dormancy
                    Fruit development
                         Simple
                         Aggregate
                         Multiple
                    Germination
                         stimulus
                    Growth pattern in seedlings
                         monocot
                          dicot