Lab 5 Questions- Identify the four main groups of gymnospermso Coniferophyta Pines, firs, juniperso Cycadophyta Cycadso Ginkgophyta Ginkgoo Gnetophyta Ephedra, Gnetum- Identify the parts and function of a seedo - Distinguish between pollination, fertilization, and dispersal- Describe the features of cone-bearing plantso 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 structureso Roots Anchor, absorb, transport, storeo Stems Transport, support, storeo Leaves Photosynthesize, gas exchangeo Flowers Reproduction - Describe secondary growtho Results from the differentiation oflateral (secondary) meristems. Vascular cambium- Located between xylem and phloem. Produces secondary xylemand phloem- Growth rings in tree Cork cambium- Produces a layer of cork on the outside and cork parenchyma onthe inside- Bark- Explain the relation of flower to fruit morphologyo- Label a phylogeny of the Plant Kingdom- Define:o Gametophyte A haploid plant that produces haploid gametes through mitosiso Sporophyte A diploid plant that produces haploid spores through meiosiso Alternation of Generations Organism alternates between sporophyte and gametophyte formsthroughout its life cycleo Gymnosperm "Naked Seed” Heterosporous Non-motile sperm Wind transported
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