It includes about 7,000 species of mostly aquatic photosynthetic eukaryote organisms.. Like the land plants, green algae contain chlorophylls a and b, and store food as starch in their plastids.Most species are flagellate in at least one stage of their life cycle.. They may be unicellular (one cell), multicellular (many cells), colonial (a loose aggregation of cells), or coenocytic (one large cell). They have a filamentous and unbranched vegetative structure. Alternatively, bridges can form between different individuals, allowing the exchange of gametes. Cells of the Chlorophyta contain organelles called chloroplasts chloroplast, a complex, discrete green structure, or organelle, contained in the cytoplasm of plant cells. 1st ed. Chlorophyta: the green algae, which constitute the largest division of algae, ranging from microscopic unicellular forms which are nonmobile or have flagella (see FLAGELLUM ), to large forms with a flattened THALLUS . Noun 1. Just better. Green algae are aquatic (either freshwater or marine), photosynthetic organisms that are either unicellular or colonial. Chlorophyta: green algae; in this division of algae, the green pigment of chlorophyll is not masked by other pigments; there are over 7000 species; most live in freshwater, about ten percent are marine. green tides (Fletcher, 1996; Smetacek and Zingone, 2013; Zhang et al., 2019). Chlorophyta synonyms, Chlorophyta pronunciation, Chlorophyta translation, English dictionary definition of Chlorophyta. Cambridge University Press, Cambridge, . The Chlorophyceae are a large and important group of freshwater green algae. Every page goes through several hundred of perfecting techniques; in live mode. DIVISION CHLOROPHYTA Introduction Of the approximately 4,500 - 7000 species of green algae, 90% are restricted to the freshwater environment: damp soil, rivers, lakes, ponds, puddles, tree bark, and even the hair of polar bears. There are approximately 350 genera and 2650 living species of chlorophyceans. There are around 400 species of Spirogyra found. Consequently it is believed that the ancestors of land plants must have belonged to this group. Quite the same Wikipedia. WHAT IS ALGAE????? Macroscopic marine algae (seaweeds) are significant primary producers in the oceans, which cover about 71% of earth's surface. Introduction to the Chlorophyceae fresh-water green algae. Introduction: Chlorophyta Description of Chlorophyta. Algae is an autotrophic plant which prepare food … What we do. Introduction to the Rhodophyta The red "algae" Red algae are red because of the presence of the pigment phycoerythrin; this pigment reflects red light and absorbs blue light.Because blue light penetrates water to a greater depth than light of longer wavelengths, these pigments allow red algae to photosynthesize and live at somewhat greater depths than most other "algae". Later though, the green algae were split into two phyla: Chlorophyta (chlorophytes) and Charophyta (charophytes). Chlorophyta - The Green Algae . (Conjugatophyceae, Chlorophyta) of Serbia. Eutrophication of coastal waters results in rapid growth of some macroalgal species, significantly increasing their biomass and thus forming, e.g. For example, Spirogyra is composed of long filaments of cells that can break apart and divide to produce new individuals. The genus Ulva (Ulvales, Chlorophyta) comprises a group of green macroalgae which grows predominantly in intertidal zones. Although you have now studied various groups of plants and algae, as well as other eukaryotic organisms, in other courses, you will find that the fungi are probably the least understood among the eukaryotes. Land plants (Kingdom Plantae, or the embryophyta) are specialized green algae adapted to life on land. Chlorophyta (klōrŏf`ətə), phylum (division) of the kingdom Protista Protista or Protoctista, in the five-kingdom system of classification, a kingdom comprising a variety of unicellular and some simple multinuclear and multicellular eukaryotic organisms. A Class is a taxonomic group of related biological units. 1 Introduction Green algae are morphologically and ecologically diverse and ubiquitous in marine, freshwater, and terrestrial habitats (Graham et al., 2009).They are not a monophyletic group but belong to the green plants, an ancient lineage of eukaryotes There are a number of different classes (See list below). Classification. Spirogyra are commonly known as “water silk or pond silk”. Chlorophyta (green algae) Division of algae which are typically green in colour.In common with higher land plants, green algae include chlorophylls a and b among their principal pigments, have cellulose as the main constituent of cell walls, and form food reserves of starch. 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