Occurrence of blue-green algae in paddy fields 13 2.1.2. Examples: Chlorella, Chlamydomonas, Spirogyra, Ulva. Its name refers to its shape, which looks like a netlike hollow sack (Figure 1.4) and can grow DESCRIPTIVE ECOLOGY 13 2.1 .I. c. Strain variation: Biological N 2 fixation in nature or agricultural ecosystem is rarely limited by a lack of N 2, fixing micro-organisms. PowerPoint is the world's most popular presentation software which can let you create professional Algae powerpoint presentation easily and in no time. INTRODUCTION • The general term "algae" includes prokaryotic organisms — cyanobacteria, also known as blue-green algae — as well as eukaryotic organisms (all other algal species). View Lab 7 Plant Anatomy.ppt from BSC 2010L at Miami Dade College, Miami. COURSE TITLE: PLANT PHYSIOLOGY They include some of the most common species, as well as many members that are important both ecologically and scientifically. Green algae, members of the division Chlorophyta, comprising between 9,000 and 12,000 species. • Chlorophyta: Green algae. Academia.edu is a platform for academics to share research papers. and it … Click below to specify an alternative background for this template: Colorful theme enhanced with green-algae-on-the-surface backdrop and a yellow colored foreground, Slides with green-algae-on-the-surface background and a gold colored foreground, Amazing slide deck having marsh - water with green algae backdrop and a seafoam green colored foreground, PPT theme featuring cyanobacteria - algae polluted water - abstract background and a mint green colored foreground, Presentation theme with bubbles on swamp water surface background and a tawny brown colored foreground, Presentation having biology seaweed - lake coated by duckweed background and a tawny brown colored foreground, Theme with the environment dead fish background and a tawny brown colored foreground, Colorful presentation design enhanced with effluent - lake coated by duckweed backdrop and a gold colored foreground, Beautiful presentation featuring underwater plants - algae from mediterranean green seaweed backdrop and a yellow colored foreground, Beautiful slide deck featuring biology seaweed - lake coated by duckweed backdrop and a yellow colored foreground, Audience pleasing presentation consisting of weeding decoraters - duckweed in the park pond backdrop and a tawny brown colored foreground, PPT layouts enhanced with weeding decoraters - duckweed in the park pond background and a tawny brown colored foreground. Like other algae, green algae serve as an important food source for herbivorous marine life, such as fish, crustaceans, and gastropods, including sea snails.Humans use green algae as food, too. This helps you give your presentation on Algae in a conference, a school lecture, a business proposal, in a webinar and business and professional representations.. hydrogen production in the light, … Presentation Summary : Green Algae. NO.- 161103004 M.Sc. With lots of customizable layouts and design elements included. green and brown algae. PHYSIOLOGY OF H 2 PRODUCTION IN GREEN ALGAE. The role of these pigments is to absorb light - In water the problem is that red and violet wavelengths do not penetrate the vertical column very well. So Chlorophylls do not work well at greater depths. Stramenopiles- diatoms, heterokonyophyta 3. The reverse reaction, e.g. Purchased templates will be free of all promotional text and watermarks. Algae 1. Multi-cellular filaments can involve a life cycle that includes both sexual and asexual reproduction. Red Algae Pigment, depth, food and products Pigment The red color of the algae comes from the presence of phycobilin or phycoerythin - a pigment. Its usefulness as fuel derives from the fact that it has an extremely high oil content that can be processed like other oil-producing crops. You can change your ad preferences anytime. See our User Agreement and Privacy Policy. NAME: NADIA IMDAD • No life on land prior to release of oxygen into Amoebozoans- … Green Algae. l CONTENTS FOREWORD Vii - INTRODUCTION 1 CHAPTER 1 CHAPTER 2 Ecology of blue-green algae in paddy fields 11 Record of the literature on blue-green algae and rice 3 2.1. Green algae live in close association with an array of other organisms: Unicellular green algae are common endosymbionts in planktonic protists Green Algae Live In Close Association With An Array PPT. Green algae live in close association with an array of other organisms: Unicellular green algae are common endosymbionts in planktonic protists. Even blue-green al-gae, often regarded as nuisance organisms, may … Harnessing the power of algae: new, greener fuel cells move step closer to reality A new design of algae-powered fuel cells that is five times more efficient than existing plant and algal models, as well as being potentially more cost-effective to produce and practical to use, has been developed by researchers at the University of Cambridge. Download this stylish Green algae PowerPoint Template Background instantly after purchase and enhance your productivity. Looks like you’ve clipped this slide to already. There are approximately 350 genera and … Food reserves are starch, some fats or oils like higher plants. Cyanobacteria and OXYGEN • Cyanobacteria release oxygen through photosynthesis • Only producers of oxygen over several hundreds million years in the biosphere. Blue Green Algae in Ponds. Different groups of algae have different and specific pigment composition. White light colors are: red – orange – yellow – green – blue – violet. Create your next presentation with one of these green PowerPoint templates and Google Slides themes. algae, such as Botryococcus, can give rise to oil-rich deposits. Green Alga. Scribd is the world's largest social reading and publishing site. Nevertheless, very little nitrogen fixed in nature. Now customize the name of a clipboard to store your clips. BIOTECHNOLOGY 1ST YEAR 2. Click below to specify an alternative presentation format for this template: CrystalGraphics, Inc. 1999 S. Bascom Avenue Suite 700 Campbell, CA 95008 USA. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. Green algae are eukaryotes characterized by chlorophylls a and b as the major photosynthetic pigments (but colorless, heterotrophic taxa are also present [e.g., Polytoma, Polytomella, and Hyalogonium]), starch (α-1,4 and α-1,6 polymer of glucose) located within the chloroplast as the major storage product, and flagella of the whiplash (smooth) type (e.g., Bold and Wynne, 1985). Its growth is first recognized as a “pea soup” green appearance to the water. U O G. If you continue browsing the site, you agree to the use of cookies on this website. Green seaweeds.. Characteristics: Green colour from chlorophyll a and b in the same proportions as the 'higher' plants; beta-carotene (a yellow pigment); and various characteristic xanthophylls (yellowish or brownish pigments). Aulosira, Anabaena, Cylindrospermum, Nostoc, Plectonema, Tolypothrix) in the paddy fields was realized much earlier (Singh, 1961). Planktonic blue-green algae can kill fish, and is the most noxious form of aquatic growth that we deal with here in North Texas. PPT theme featuring cyanobacteria - algae polluted water - abstract background and a mint green colored foreground Presentation theme with bubbles on swamp water surface background and a tawny brown colored foreground This template will be a great choice for templates on , etc. Title: Algae: Author: shaun02 Last modified by: McVic Created Date: 7/21/2009 4:20:26 PM Document presentation format: On-screen Show Company: UBC Other titles – A free PowerPoint PPT presentation (displayed as a Flash slide show) on PowerShow.com - id: 6e0885-ZGM1Y Complex algae are divided into three groups according to their photosynthetic pigments: green, brown, and red. Plantae- rhodophyta, chlorophyta, seagrasses 6. Chlorophyceae (Green algae) General characterstics of Chlorophyceae. In temperate regions such as California, red algae are common in the intertidal zone. Photosynthetic pigments: They possesses chlorophyll a, chlorophyll b and small amount of β-carotenoids. COURSE CODE: BOT-306 Rhizaria- unicellular amoeboids 4. Many coloured pigments such as green, red, yellow, and blue have been found in marine and freshwater algae. Excavates- unicellular flagellates 5. Plants Arose from the Green Algae During the Silurian Period Over 400 Million … 7. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Presentation Summary : Green Algae. fresh-water green algae. Green Algae as Animal and Human Food and Medicine . (Each design below is represented by 2 slides.). In the tropics, however, they are mostly subtidal, growing as epiphytes on seagrasses, within the crevices of rock and coral reefs, or occasionally on dead coral or sand. © 2020 CrystalGraphics, Inc. All rights Reserved. A new form of fuel can literally called green, as it derives from green algae.Algae, often seen growing on bodies of water, is a tiny plant with a rapid growth rate. Green is the color of life, it denotes balance, harmony, and stability. Chlorophyta: Green Algae. Marine, and terrestrial. Biofertilizer Blue-Green Algae (Cyanobacteria) Role of the blue-green algae (e.g. Algal Presentation.ppt - Free download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Green Algae Live In Close Association With An Array PPT. Blue green algae occurred at densities from 1.0 x 10-2 to 8.0 x 10-6 CFU/cm-2 and their abundance was correlated to pH and available `P’ content of soil. See our Privacy Policy and User Agreement for details. If you continue browsing the site, you agree to the use of cookies on this website. Alveolates- dinoflagellates 2. Certain species of green algae are cultivated for the purpose of extracting key biochemicals for use in medicine and cosmetics. Pigments are usually found in specialized plastids called chromophores in all groups of algae except in the members of Cyanophyceae (blue green algae). Algae - Algae - Classification of algae: The classification of algae into taxonomic groups is based upon the same rules that are used for the classification of land plants, but the organization of groups of algae above the order level has changed substantially since 1960. Green algae are often classified with their embryophyte descendants in the green plant clade Viridiplantae (or Chlorobionta).Viridiplantae, together with red algae and glaucophyte algae, form the supergroup Primoplantae, also known as Archaeplastida or Plantae sensu lato.The ancestral green alga was a unicellular flagellate. Complex algae live at different depths of water based on the penetration of light colors into water. As single cells, green algae may be motile or moving, or non-Dr.Ayad M.J. Algae 4 motile. – A free PowerPoint PPT presentation (displayed as a Flash slide show) on PowerShow.com - id: 3d9fe5-OWM3O Blue-green algae is the common name of a group of cyanobacteria commonly found in many lakes and ponds. In some tropical waters, red algae can be found as deep as 200 meters. Search Search. Abundant in nature, use green in your presentation to signify growth, renewal, health, and environment. SUBMITTED TO: M,AM RABIA LIAQAT Use this Green algae PowerPoint Template and create professional PowerPoint presentations effortlessly. ALGAE- STRUCTURE AND CLASSIFICATION PRESENTED BY:- RAJPAL CHOUDHARY REG. The Chlorophyceae are a large and important group of freshwater green algae. PowerPlugs is a trademark of CrystalGraphics, Inc. Chlorophyceae (green algae) Phaeophyceae (brown algae) Rhodophyceae (red algae). 1.Bacteria- cyanobacteria (blue green algae) 2.Archae 3.Eukaryotes Groups (Kingdom) 1. DEPARTMENT: BOTANY An example of this unicellular organism is the fast growing chlorella that live inside animals. Historically, Hans Gaffron made the first observation of hydrogen metabolism in green algae (Gaffron, 1939, 1944).Upon exposure to hydrogen of anaerobically adapted cells, he observed uptake of molecular H 2 by the algae and a concomitant CO 2 reduction in the dark. 1. Record of species and taxonomic studies 14 2.1.3. 6 Use of algae and aquatic macrophytes as feed in small-scale aquaculture – A review Another green filamentous alga, Hydrodictyon, commonly known as ‘water net’, belongs to the family Hydrodictyaceae and prefers clean, eutrophic water. 1. No public clipboards found for this slide. Clipping is a handy way to collect important slides you want to go back to later. 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