Lab 5 Questions Identify the four main groups of gymnosperms o Coniferophyta Pines firs junipers o Cycadophyta Cycads o Ginkgophyta Ginkgo o Gnetophyta Ephedra Gnetum Identify the parts and function of a seed o Distinguish between pollination fertilization and dispersal Describe the features of cone bearing plants o Angiosperms Covered seed Sporophyte is the dominant form Internal gametophyte highly reduced Compare life cycles of gymnosperms and angiosperms Describe the distinguishing features of flowering plants Identify plant organs and their structures o Roots Anchor absorb transport store o Stems Transport support store o Leaves Photosynthesize gas exchange o Flowers Reproduction Describe secondary growth o Results from the differentiation oflateral secondary meristems Vascular cambium Located between xylem and phloem Produces secondary xylem and phloem Growth rings in tree Cork cambium Produces a layer of cork on the outside and cork parenchyma on the inside Bark Explain the relation of flower to fruit morphology o Label a phylogeny of the Plant Kingdom Define o Gametophyte A haploid plant that produces haploid gametes through mitosis o Sporophyte A diploid plant that produces haploid spores through meiosis o Alternation of Generations Organism alternates between sporophyte and gametophyte forms throughout its life cycle o Gymnosperm Naked Seed Heterosporous Non motile sperm Wind transported pollen
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