Pteropsida a large group of vascular plants characterized by having parenchymatous leaf gaps in the stele and by having leaves which are. Classification of pteridophyta linkedin slideshare. Useful notes on the classification of pteridophytes. Find powerpoint presentations and slides using the power of, find free presentations research about pteridophytes ppt. As the baby fern grows, its weight causes the frond to droop toward the ground. Affan1141 plz text me in snapchat i unblocked u hey neet aspirant solve these all questions163180plz what are the 4 whorls of the flower i take god promise i follow you plzz follow me make a poster for importance of hydrosphere this lock has a 3 digit code can you crack it using only these hints 291 245 463 578 569 adaptations of the phloem vericos veins occurs when wings are unable to. Boxoft pdf to powerpoint portable free pdf to ppt converter. Firstly all the botanists divided the plant kingdom into two large groups cryptogamia and phanerogamia, linnaeus 1754 used the term cryptogams for the first time for those plants which did not possess visible sex organs. Pseudosporchonaceae pseudosporchnus now shifted to the pteropsida. The plant body can be divided into a true root, stem, and leaves. Gymnosperms they are called naked seeded plants since the seed is not covered by fruit wall. Ppt ecology ppt plant physiology ppt plant systematics ppt botany ppt zoology ppt. Sphenopsids are characterized by jointed stems with whorls of leaves and branches borne at the joints or nodes.
They arose in the devonian from the trimerophyte group of psilophytes which had developed more elaborate systems of branching, that led on to the formation of true leaves and made an important contribution to carboniferous floras. Marine, nonmarine, photosynthetic, mineral composition. Edit any pdf file, including all images, paragraphs, and pages. As they produce neither flowers nor seeds, they are referred to as cryptogams. When you save presentation as a pdf file it freezes the formatting and layout. Sphenopsida horsetails class of the pteridophytina that first appeared in the devonian and reached the peak of its abundance and diversity during the carboniferous, forming a major component of the coalswamp vegetation. Signification and execution of powers, duties, etc. Pdf converter is a online webbased document to pdf converter software. For a long time the division pteridophyta includedthe ferns, lycopods and horsetails. Enrichment activities and generalization of skills throughout the school day. Welcome to sagefox free powerpoint templates one of the most useful and unique powerpoint templates resource websites available. Since these species are not widespread and may be confined to only one or two protected areas, they are of great conservation concern. Alternation of generations also known as metagenesis is the type of life cycle that occurs in. The ferns are an ancient lineage of plants, dating back to at least the devonian.
An endemic species is one that is only found in a particular region and nowhere else in the world. Aploris for powerpoint short introduction 2 2 a right click on an object opens its context menu with applicable commands, e. They include three living groups marattiales, ophioglossales, and leptosporangiate ferns as well as a couple of extinct groups. Pafranyok osztalya pteropsida fodorkafelek csaladja aspleniaceae 2. It includes all flowering plants and ferns and is divided into filicinae, gymnospermae, and angiospermae. Pteropsida are distinct from lycopsida and sphenopsida in several characters. Pteropsida yang hidup di hutan hujan tropis sangat beraneka ragam jenisnya, namun pteropsida juga ditemukan di daerah beriklim sedang subtropis. References textbook pages 421 423, lab manual page 7 144. The proliferous baby plant is genetically identical to its parent. Classification of pteridophytes for a long time the division pteridophyta includedthe ferns, lycopods and horsetails. Psilopsida in botony for plants its defination, structure, reprouction and development. Find powerpoint presentations and slides using the power of, find free presentations research about fern ppt. Save powerpoint presentations as pdf files office support. Gymnospemae the gymnosperms are the nakedseeded plants gymnonaked.
The sexuality of pteridophyte gametophytes can be classified as follows. Just import one or several pdf files and click on the convert button, then you will get powerpoint format of your pdf. Morphology, reproduction, life cycle and alternation of generation of pteridophytes. The pteropsida differs from other classes in possessing raised leaves mega phylls. Vascular plants chlorophyll a, chlorphyll b, carotenoids dinoflagellates pyrrhophyta chlorophyll a, chlorphyll c, peridinin and other carotenoids. Convert and create pdf from various types of files like word doc, excel xls, powerpoint ppt. Plant body shows much advancement towards higher vascular plants, and is well differentiated into root, stem and leaves. General characters and classification of pteridophytes ppt. Pteropsid, any of a group of vascular plants tracheophytes that includes ferns, extinct seed ferns, gymnosperms conifers, etc. It is now widely accepted on the basis of overwhelming amount of evidence that the land dwelling plants evolved from aquatic ancestors. Plant reproductive system, any of the systems, sexual or asexual, by which plants reproduce. Ail organisms known in the precambrian, cambrian and ordovician periods of paleozoic era lived in aquatic environment. The evolutionary conquest of land probably occurred sometimes between the late.
How big the pterodactyl was and what it looked like. Pteropsida paku sejati atau pakis merupakan kelompok tumbuhan paku yang sering kita temukan di berbagai habitat, terutama di tempat yang lembap. No file size restrictions, no ad watermarks just a free online tool for creating pdfs from your ppt slides. On the basis of their anatomy jeffrey in 1902 divided the vascular plants into two types or stocks. The telome theory can be applied to interpret the evolution of a synangium of psilotum. Some of the species belonging to this division have small leaves called as the microphylls. The telome concept has been used in understanding the origin and evolution of the following major groups of plants.
Boxoft pdf to powerpoint is a free pdf converter to convert pdf to powerpoint presentation easily. Convert pdf files to and from any microsoft office formaton the desktop with nitro pro or in any web browser with nitro cloud. Gyoktorzse fuggoleges vagy felemelkedo, pelyvaszorokkel es kupalaku, kb. Pteridophytes or pteridophyta, in the broad interpretation of the term, are vascular plants plants with xylem and phloem that reproduce and disperse via spores. Pteropsida fernsis type ii marsilea water fern occurrence, development of the sporocarp, sporangium, malefemale male gametophyte. In the publish as pdf or xps dialog box, choose a location to save the file to. Earthquakes hypocenters have been detected from the surface to the maximum depth of 650km to 700km. Pteropsida hidup di tanah, di air, atau epifit di pohon. I year chapter 3 the plant kingdom biologygy g bridge course curriculum for the academic year 2012 20 vikasana cet 2012. They are very common in cool temperature and tropical regions. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Delivered 12 times a week by teachers in the classroom. Selaginella, pteropsida, pteris,marsilea, apogamy, apospory, reproductive.
Click create pdf xps document, then click create pdf xps. In this group are included some of the most beautiful, and most familiar plants. We provide you a huge collection of 12671 free themed powerpoint templates that you can download for free, and modify for your personal or business presentations. Pteropsida represent the most highly evolved group among the lower vascular plants. Biochemistry ppt molecular biology ppt biotechnology ppt genetics ppt microbiology ppt immunology ppt evolution ppt human physiology ppt biophysics ppt biostatistics ppt research methodo. Jan 15, 2015 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. Among the vegetative characters, the megaphyllous leaves with the attendant leaf. It was as big as a jet and it had short skinny legs and it had wings like a bat. Others regard it as an artificial assemblage of plants that have undergone certain similar changes from a rhyniophyte ancestry. The overtopping, reduction and syngenesis have combined to produce a synangium of psilotum fig.
Important characteristic features of division pteridophyta with examples. Leaves also show great advancement, and are megaphyllous large and pinnately compound. View and download powerpoint presentations on pteridophytes ppt. Some botanists regard the pteropsida as a natural group which they recognize as a class, subdivision, or division. Pteropsida lycopsida pinophyta gymnosperms magnoliophyta angiosperms range. 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. Psilotum is distributed in tropical and subtropical regions. Part 2 cell types plants free download as powerpoint presentation. Boxoft free pdf to powerpoint allow you to batch convert pdf files into ppt format. View and download powerpoint presentations on fern ppt. Chapter 3 plant kingdom gametophytic generation diploid. People can view the slides even if they dont have powerpoint, but they cant make changes to it. In plants, as in animals, the end result of reproduction is the continuation of a given species, and the ability to reproduce is, therefore, rather conservative, or given to only moderate change, during evolution.