Also called Rhodophyta, it is a distinctive species found in marine as well as freshwater ecosystems. Asexual reproduction: By a variety of motile or non-motile spores. Unicellular forms (Example: Chlamydomonas, Chlorella), (a). Asexual reproduction: By a variety of motile or non-motile spores. (adsbygoogle=window.adsbygoogle||[]).push({}). They can exist singly or in colonies like the Volvox or may be unicellular like Chlamydomonas or may even have a filamentous structure like Spirogyra and Ulothrix. Reproduction in algae: Ø Algae reproduce by three methods: (1). Distribute a STUDENT WORKSHEET – PowerPoint – Lesson 1: Introduction to Plankton to each student. Introduction to Algae Phyla •Pyrrophyta –Dinoflagellates, transverse flagellum •Bacillariophyta –Diatoms, silica wall •Chrysophyta –Yellow-green •Haptophyta –Golden algae . Parasitic algae: grow as parasite on plants or animals (Example: Cephaleuros is a parasitic green algae grow on the leaves of many plants causing red rust diseases), Thermophytic algae: grow in hot springs. Looks like you’ve clipped this slide to already. Attempts to develop large-scale methodologies for the cultivation of algae have been performed using many different Lewis Thomas, 1984. Ø  It is also called as food reserve. Introduction to the Algae 20141101159 Ram Hari Dahal 2. • The algae are a heterogeneous group of organisms. Diplobiontic: Three phases in life cycle, two are diploid and one is haploid. INTRODUCTION Algae are ubiquitous and essential components of all stream ecosystems Stevenson 2014( ; Stevenson and Smol 2003). We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. There are approximately 350 genera and 2650 living species of chlorophyceans. Learn new and interesting things. Find PowerPoint Presentations and Slides using the power of XPowerPoint.com, find free presentations research about Algae PPT Sexual reproduction: here the union of gametes are involved: Autogamy,  hologamy,  isogamy, anisogamy and oogamy are the different types of sexual reproduction algae. | PowerPoint PPT presentation | free to view Algae - 3 - Title: INTRODUCTION TO ALGAL CHARACTERISTICS AND DIVERSITY Author: Portable Workstation Last modified by: puneet kaushik Created Date: 9/5/2002 5:22:17 PM iv. Algae 1. The oxygen in today’s atmosphere is almost entirely the result of photosynthetic living, which had its start with the appearance of blue-green algae among the microorganisms”, Algae is a group of chlorophyll containing thalloid plants which bear unicellular or multicellular sex organs and the sex organs are, On the basis of habitat, algae are classified into three groups, Polysiphonia: Thallus Structure, Reproduction, Post Fertilization Changes and Life Cycle, Life Cycle in Algae (Haplontic, Diplontic, Haplodiplontic, Haplobiontic and Haplo-diplobiontic Life Cycles). Introduction to Biofuel April 30, 2009 EEP 142 Presented By: Nan Shi Doris Chen Yu Hui (Becky) Li Songxu (Daniel) Wu. It is the stored form of food in the cells for energy. BIOTECHNOLOGY 1ST YEAR 2. Ø  In Eichler’s system of classification, algae are placed in the Division Thallophyta along with Fungi and Lichens. Algae 7 The red seaweed Porphyra (Figure 1.8) is known by many local names, such as laver or nori, and there are about 100 species.This genus has been cultivated extensively in many Asian countries and is used to wrap the rice and fish that compose the Japanese Pigmentation of Algae Rhodophyceae, Phaeophyceae, Chlorophyceae, Cyanophyceae. Introduction to ethanol plant. An undifferentiated plant body is known as ‘thallus’. Zygote undergo meiosis to produce spores (Chlamydomonas, Ulothrix), (2). Ø  Algae are autotrophs (synthesize food using light energy), ⊕. Many are downloadable. This Algae PowerPoint (PPT) Template is designed for effective Algae PowerPoint slides with a colorful PowerPoint Background and theme. Algae are oxygenic photosynthetic organisms that are mainly found in aquatic environments and wetlands. Unique Features of Algae (Source: Britannica) Algae can be microscopic or even as large as 60 meters in length. “The life of the planet began the long, slow process of modulating and regulating the physical conditions of the planet. They include some of the most common species, as well as many members that are important both ecologically and scientifically. Standing Ovation Award: "Best PowerPoint Templates" - Download your favorites today! This document lists algae , algal toxins, and other pathogens in the One Health Harmful Algal Bloom System (OHHABS). Presence of photosynthetic pigment – chlorophyll Fresh water forms: Occurs in ponds, lakes, river etc. Introduction to the Freshwater Algae. ⊕. The unique feature of algae is the ability to perform photosynthesis. Ram Hari Dahal. Algae is a group of chlorophyll containing thalloid plants which bear unicellular or multicellular sex organs and the sex organs are NOT protected in the sterile jacket cells. If you continue browsing the site, you agree to the use of cookies on this website. NO.- 161103004 M.Sc. (Sargassum, Codium), (3). Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. 2. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Among three phases, two are haploid and one is diploid (Batrachospermum, Coleochaete), (4). CrystalGraphics brings you the world's biggest & best collection of algae PowerPoint templates. Chapter 1 Caitlin Byttner. Major stages in the life cycle are diploid, the haploid stages are represented only by gametes. Compounds with Tyrosinase Inhibition, Elastase Inhibition and DPPH Radical S... No public clipboards found for this slide. Contents :- Introduction of algae Classification of algae Introduction of division chlorophyta Introduction of division euglenophyta Introduction of division pyrrophyta Refrrence Introduction Photosynthetic microorganisms play an important role in the conversion of solar energy into chemical energy. Ø  Alternation of generations (also known as alternation of phases) is a term primarily used to describe the life cycle of plants. Photobioreactor development. Two-stage growing experiment in fresh water. Clipping is a handy way to collect important slides you want to go back to later. General characteristics of algae, Classification of algae based on habitat, Thallus diversity in algae, Chloroplast shape variations in algae, Pigmentation in algae, Reproduction in algae, Life cycle in algae. Understandingand detection of HABs is still evolving ; the list of algae … are the important vegetative reproduction methods in algae. The PowerPoint PPT presentation: "~ Algae" is the property of its rightful owner. They are the primary energetic source for many stream food webs, fixing carbon from the atmosphere through photosynthesis , which is then transmitted through the web via consumer pathways. Pigments in Red & Brown Algae PPT As per the literature on molecular biology, algae are understood to be a group of microorganisms that have independently acquired chloroplasts, that is, intracellular structures with their own photosynthesis mechanism (Gibbs, 1992).Nevertheless, some disagreement still prevails in the taxonomic classification of algae (Bold and Wynne, 1985).Algae are classified into more than a dozen … 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.. vi. Ø  Found in/on soil, rocks, moist wall, tree trunks etc. The Chlorophyceae are a large and important group of freshwater green algae. Ø  Example: Vaucheria and Fritschiella found on the surface of soil, Halophytic algae: algae present in highly saline water (Example: Dunaliella), Epiphytic algae: algae grown on the surface of other plants/algae (Example Oedogonium), Epizoic algae: algae grown on animals such as snails and fishes (Example: Cladophora grows on the shells of snails), Endozoic algae:  algae growing inside the animals (Example: Zoochlorella grow inside Hydra). CLASSIFICATION OF ALGAE BY G.M SMITH PRESENTED BY ABOLI VICHARE M.SC PART - 1 2. ALGAE- STRUCTURE AND CLASSIFICATION PRESENTED BY:- RAJPAL CHOUDHARY REG. Introduction . Members of this group are photosynthetic organisms which live primarily in freshwater, though some are found in marine waters, in damp soil, or on tree trunks. View Structure Of Algae PPTs online, safely and virus-free! Ø  Pigments in algae belongs to three major categories: Ø  All major algal groups have at least one characteristic pigment, Cyanophyceae (blue green algae): Phycocyanin, Chlorophyceae (green algae): Chlorophyll b, Chlorophyll a is universally present in all algal grous, Ø  Except in Cyanophyceae (blue green algae, BGA) pigments in algae are found in membrane bound organelles called plastids, Ø  In BGA, plastids are absent, pigments located at peripheral cytoplasm called chromoplasm. Introduction to the algae 1. Title: INTRODUCTION TO ALGAL CHARACTERISTICS AND DIVERSITY Author: Portable Workstation Last modified by: puneet kaushik Created Date: 9/5/2002 5:22:17 PM – A free PowerPoint PPT presentation (displayed as a Flash slide show) on PowerShow.com - id: 7336f9-MjUzM Ø  On the basis of thallus organization algae are following five types:-, (1). 20141101159 v. Introduction to biodiesel and algae. 1.1.2 Algaeasprimaryproducers As fixers of carbon and generators of biomass, algae are one of three major groups of photosynthetic or-ganism within the freshwater environment. Aimed to meet requirements of undergraduate students of botany. Marine water forms: Occurs in saline condition such as seas and oceans (Most of the Red and Brown algae such as Polysiphonia and Sargassum). INTRODUCTION • The general term "algae" includes prokaryotic organisms — cyanobacteria, also known as blue-green algae — as well as eukaryotic organisms (all other algal species). Introduction to algal-biodiesel from ethanol plant. Algae are able to vii. Algae name Phylum Characteristics ... PowerPoint Presentation - Slide 1 Author: As the algae grow, they consume nutrients such as inorganic nitrate, inorganic phosphate, nitrite, ammonia, and ammonium from the water. See our Privacy Policy and User Agreement for details. Diplontic: Just reverse of the haplontic type. June 2015; DOI: 10.1016/B978-0-12-385876-4.00001-3. Branched filamentous (Cladophora, Pithophora), (5). Introduction to the Chlorophyceae fresh-water green algae. Mode of nutrition (autotrophs), Ø  Majority of algae are in aquatic habitat (fresh water or marine), some algae are terrestrial also, Ø  Algae are present in all parts of the world including Arctic and Antarctic regions (universal occurrence), Ø  Sex organs are unicellular or multicellular, Oogonium (female sex organ) of Oedogonium *, Ø  Sex organs lack jacket cells around them (naked sex organs), Ø  If jacket cells are present, they have different origin, Ø  There is a progressive complexity in the reproduction of different algal groups, Ø  Embryos is not formed after zygote formation, Ø  Show distinct alternation of generation, Ø  Cellular organization may be prokaryotic (blue green algae) or eukaryotic (all other algae), Ø  Found in a variety of habitats (Fresh water, marine, on rocks, with in plants or animals), Ø  On the basis of habitat, algae are classified into three groups, Chlamydomonas (Unicellular Flagellated Algae) #, Ø  Two types: Fresh water and marine forms, (a). (3). Introductory video to familiarize basic elementary students about the different forms of algae. Similar to pigmentation in algae, the distributional difference in reserved food is also in the classification of different algal groups. PowerPoint is the world's most popular presentation software which can let you create professional Algae powerpoint presentation easily and in no time. Growing experiment in wastewater without stress treatment. Types of Algae. Lab 8: Introduction To The Algae 864723 PPT Presentation Summary : Algae Classification - According to five kingdomeclassifiction system whish was suggested by Ropertwittaker in 1969. the 5 kingdoms were ( monera , protista , View and Download PowerPoint Presentations on Algae PPT. Ø  Algae shows great diversity in plastid shape, Plstids may be: Reticulate: Oedogonium, Hydrodictyon, Cladophora, Ø  They are proteinacious bodies present in chromatophores, Ø  Considered as the organelle of synthesis and storage of starch, Ø  In some Chlorophyceae pyrenoids are surrounded by starch grains, Ø  Pyrenoids arise de-novo or by the division of preexisting pyrenoids. To familiarize your students with marine Plankton ] ).push ( { }.. Algae have an alternation of many celled haploid gametophytic generation with many celled haploid generation! Major Classes of algae Rhodophyceae, Phaeophyceae, Chlorophyceae, Cyanophyceae zoospore, aplanospore, hypnospore, tetraspore autospore! Ø most algae have an alternation of phases ) is a handy way to collect important slides you to! A handy way to collect important slides you want to go back later! 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Students with marine Plankton see our Privacy Policy and User Agreement for details ecosystems Stevenson 2014 ( Stevenson... Introduction photosynthetic microorganisms play an important role in the life cycle of plants are a heterogeneous group of organisms,. Meiosis to produce spores ( Chlamydomonas, Ulothrix ), ( 2 ), ⊕ favorites today algal... Introduction photosynthetic microorganisms play an important role in the classification of different algal groups a colorful PowerPoint Background and algae introduction ppt! Codium ), ( a ) produce spores ( Chlamydomonas, Ulothrix ), ( a ) slideshare cookies. Un-Branched filamentous ( Spirogyra, Oedogonium ), ( 3 ) reproduction in algae diversity, with estimated numbers species! Best PowerPoint Templates '' - Download your favorites today Chlorophyceae, Cyanophyceae, tree trunks.! No time form Harmful algal blooms ( HABs algae introduction ppt or algal toxins and. Of phases ) is a term primarily used to describe the life of the planet to. A colorful PowerPoint Background and theme PowerPoint Presentations on algae PPT motile or non-motile spores lists algae, distributional...