PPT-Seed Plants & Gymnosperms

Spring 2013 Outline Review of land plant phylogeny Characters of seed plants Gymnosperm phylogeny amp diversity Cycads Gingko Conifers Gnetophytes Review of land plant phylogeny Green plants viridophytes. Chapter 22. Outline. Introduction. Phylum . Pinophyta. – The Conifers. Other Gymnosperms. Phylum . Ginkgophyta. – . Ginkgo. Phylum . Cycadophyta. – The Cycads. Phylum . Gnetophyta. – The . Spring 2013. Outline. Review of land plant phylogeny. Characters of seed plants. Gymnosperm phylogeny & diversity. Cycads. Gingko. Conifers. Gnetophytes. Review of land plant phylogeny. Green plants (viridophytes). Spring . 2014. Outline. Review of land plant phylogeny. Characters of seed plants. Gymnosperm phylogeny & diversity. Cycads. Gingko. Conifers. Gnetophytes. Review of land plant phylogeny. Green plants (viridophytes). Plantae. Phylum: . Pteropsida. Class:. Filicinae. , . Gymnospermae. , . Angiospermae. Pteropsida. . A large group of vascular plants characterized by having . parenchymatous. leaf gaps in the stele and by having leaves which are thought to have originated in the distant past as branched stem systems. . Plants Vascular Plants Seed Gymnosperms Angiosperms Seedless (flowerless) Ferns Horsetails Club Mosses Nonvascular Plants Seedless (flowerless) Moss Liverworts and Hornworts Essential Question: All gymnosperms (an angiosperms) are considered . heterosporous. Produce two types of spores: microspores and megaspores. Gymnosperm means “naked seed” in . greek. meaning seeds are totally exposed or borne on the scales of female cones. Objectives. 1. Name the . protist. group from which plants are hypothesized to have descended, and describe supporting evidence..  . 2. Discuss some environmental challenges of living on land, and describe how several adaptations meet these challenges.. Spring . 2014. Outline. Review of land plant phylogeny. Characters of seed plants. Gymnosperm phylogeny & diversity. Cycads. Gingko. Conifers. Gnetophytes. Review of land plant phylogeny. Green plants (viridophytes). Seed Plants. Recall that seedless plants were either nonvascular or vascular… either way they did . NOT. produce seeds. Seeds can be found . everywhere. …acorns, dandelion seeds, kernels of corn, even peanuts!. Overview of Plants Ch. 22 - 24 Introduction to Plants Plants are multicellular, eukaryotic, have cell walls make of cellulose, and develop from multicellular embryos. They also carry out photosynthesis. Archegoniate. . Course Code: BOTACOR04T . Unit 6: Gymnosperms : an overview. Dr. Madhushri Das. Assistant Professor. Department of Botany. Hiralal. . Mazumdar. Memorial College for Women, . Dakshineswar. What Do I Study?. Seed and Plant Response PowerPoint. Gymnosperm Notes. Angiosperm Notes. Vocabulary Seed Plants. Vocabulary Gymnosperms Angiosperms. Quiz on Seeds. Quiz on Flowers. Yellow Angiosperm Sheet. B.Sc- II – Sem – III. Unit - I. Dr. M. Nafees Iqbal. Head, Department of Botany. M.S.P Arts, Science & K.P.T Commerce College Manora. Gymnosperm . (Gk. . Gymnos. = naked; . sperma. = seed). The Importance of Seeds. Q: What adaptations allow seed plants to reproduce without open water?. A: Adaptations include 1)a reproductive process that takes place in cones or flowers, 2)the transfer of sperm by pollination, and 3)the protection of embryos in seeds.