PPT-GYMNOSPERMS INTRODUCTION

Gymnosperms Gymno naked sperma seed include simpler and primitive plants They are characterised by the presence of naked ovules borne unprotected on the surface of the megasporophylls. Judd et al pp. 206-221. Gymnosperms. Cycads. Gingkos. (one left-- Gingko . biloba. ). Conifers. Gnetales. At least two extinct lineages that were polyphyletic with regards to currently extant gymnosperms. 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). 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.. .. 10.1 Describing the histology of roots, stems, leaves, and . flowers . 10.2 Recognizing chemical and physical adaptations of plants. Examples: chemical -—foul odor, bitter taste, toxicity;. physical—- spines, needles, broad leaves . G1.1. :. Understand how to classify and identify plants by order, family, genus, and. . species. Upon completion, students will:. Know the general hierarchy of classification– focusing on class, order, family, genus, and species. 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). Like any other organism, plants have to reproduce in order to survive as a species!. If plants didn’t reproduce, what would happen?!. Exactly . . . . There would be no more plants! And that would be bad . . . . Because there would be no more me or you!!!!. 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!. Cycas. Asso. . Prof. . Seema. A. . Gaikwad. Dept. of Botany. . Vidnyan. . Mahavidyalaya. , . Sangola. .. Introduction and Salient features of Gymnosperms . .. Gymnosperms (. Gymno. : naked, . sperma. = seed. ) include simpler and primitive . plants.. They are . characterised. by the presence of . naked ovules. , borne unprotected on the surface of the . megasporophylls. 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. By. PRATIVA DEKA. Associate Professor . Dept. of Botany. Mangaldai College. GYMNOSPERM : INTRODUCTION. Gymnosperms are a group of plants which produced seeds that are not enclosed within the fruit. .