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Diverse group of photosynthetic organisms
Algae (/ˈældʒiː/ AL-jee, UK also /ˈælɡiː/ AL-ghee; sing.: alga /ˈælɡə/ ) are any of a large and diverse group of photosynthetic organisms. It excludes
Algae
Large group of multicellular algae, comprising the class Phaeophyceae
Brown algae (sing.: alga) are a large group of photoautotrophic, multicellular SAR comprising the class Phaeophyceae. They include many seaweeds located
Brown_algae
Paraphyletic group of eukaryotes
The green algae (sing.: green alga) are a group of chlorophyll-containing autotrophic algae consisting of the phylum Prasinodermophyta and its unnamed
Green_algae
Division of plant life
Red algae, or Rhodophyta (/roʊˈdɒfɪtə/, /ˌroʊdəˈfaɪtə/; from Ancient Greek ῥόδον (rhódon) 'rose' and φυτόν (phutón) 'plant'), make up one of the oldest
Red_algae
Phylum of photosynthesising prokaryotes
which forms the basis of cyanobacteria's informal common name, blue-green algae. Cyanobacteria are the first organisms known to have produced oxygen. Their
Cyanobacteria
Topics referred to by the same term
species of algae Ice algae, algae that live in sea ice AlgaeBase, a database of algae Algae Lake, lake in Antarctica Algos National Algae Association
Algae_(disambiguation)
Use of algae as a source of energy-rich oils
Algae fuel, algal biofuel, or algal oil is an alternative to liquid fossil fuels that use algae as the source of energy-rich oils. Also, algae fuels are
Algae_fuel
Algae-eating species of animals, such as fish
Algae eater or algivore is a common name for any bottom-dwelling or filter-feeding aquatic animal species that specialize in feeding on algae and phytoplanktons
Algae_eater
Class of algae
usually called chrysophytes, chrysomonads, golden-brown algae, or golden algae, are a large group of algae, found mostly in freshwater. The Chrysophyceae should
Golden_algae
Order of algae (Corallinales)
Coralline algae are red algae in the order Corallinales, characterized by a thallus containing calcareous deposits within its cell walls, giving it hardness
Coralline_algae
Type of bacterial growth associated with PVC plastics
Pink algae is a growth of pink, slimey bacterial matter which can sometimes occur in pools and laboratory equipment. The name is a misnomer, because pink
Pink_algae
Population explosion of organisms that can kill marine life
A harmful algal bloom (HAB), or excessive algae growth, sometimes called a red tide in marine environments, is an algal bloom that causes negative impacts
Harmful_algal_bloom
Aquatic, unicellular protists with two flagella
Dinoflagellida. Botanists treated them as a division of algae, named Pyrrophyta or Pyrrhophyta ("fire algae"; Greek pyrr(h)os, fire) after the bioluminescent
Dinoflagellate
Species of fish
The Siamese algae-eater (Crossocheilus oblongus) is a species of freshwater fish in the carp family, Cyprinidae. This bottom-dwelling tropical fish is
Siamese_algae-eater
Domain of life whose cells have nuclei
and protists. "Protists" are a basal paraphyletic group that includes all algae, amoebae, flagellates and ciliates; however, this is now considered a wastebasket
Eukaryote
Algal communities in sea ice, lake ice or terrestrial glacier ice
Ice algae are any of the various types of algal communities found in annual and multi-year sea, and terrestrial lake ice or glacier ice. On sea ice in
Ice_algae
Eukaryotes other than animals, plants or fungi
lumped together as part of the traditional plant and animal kingdoms as algae and protozoa, respectively. With the advent of molecular phylogenetics and
Protist
Kingdom of organisms
energy from other organisms. Except for glaucophytes, some green algae and a few red algae, most plants are multicellular. Historically, as in Aristotle's
Plant
Device used for cultivating micro or macro algae
An algae bioreactor is used for cultivating micro or macroalgae. Algae may be cultivated for the purposes of biomass production (as in a seaweed cultivator)
Algae_bioreactor
Species of bacterium
Shewanella algae is a rod-shaped Gram-negative marine bacterium. Shewanella algae cells are rod-shaped and straight. They can grow on Salmonella-Shigella
Shewanella_algae
Biological water filter
algae scrubber is a water filtering device which uses light to grow algae; in this process, undesirable chemicals are removed from the water. Algae scrubbers
Algae_scrubber
Branch of biology concerned with the study of algae
of algae. Also known as algology, phycology is a branch of life science. Algae are important as primary producers in aquatic ecosystems. Most algae are
Phycology
Division of algae
as glaucocystophytes or glaucocystids, are a small group of unicellular algae found in freshwater and moist terrestrial environments, less common today
Glaucophyte
Polynesian edible underwater plants
general Polynesian term for edible plants living near or underwater, such as algae. In Hawaii, there are approximately one hundred names for kinds of limu
Limu_(algae)
Algae that can be used for culinary purposes
belong to one of several groups of multicellular algae: the red algae, green algae, and brown algae. Seaweeds are also harvested or cultivated for the
Edible_seaweed
Group of alpine and polar freshwater algae
Snow algae are a group of freshwater micro-algae that grow in the alpine and polar regions of the Earth. Snow algae have been found on every continent
Snow_algae
Organism that consists of only one cell
are multicellular, but some are unicellular such as protozoa, unicellular algae, and unicellular fungi. Unicellular organisms are thought to be the oldest
Unicellular_organism
Species database
AlgaeBase is a global species database of information on all groups of algae, both marine and freshwater, as well as sea-grass. AlgaeBase began in March
AlgaeBase
There are many types of algae that are commonly found in a freshwater aquarium setting. Species may be unintentionally disseminated through spores and
Freshwater_aquarium_algae
Code of scientific nomenclature
The International Code of Nomenclature for algae, fungi, and plants (ICN or ICNafp) is the set of rules and recommendations dealing with the formal botanical
International Code of Nomenclature for algae, fungi, and plants
International_Code_of_Nomenclature_for_algae,_fungi,_and_plants
Species of fish
trade. Its common names include honey sucker, sucking loach and Chinese algae eater. G. aymonieri is found in the Chao Phraya basin, northern Malay Peninsula
Gyrinocheilus_aymonieri
Symbiosis of fungi with algae
lichen (/ˈlaɪkən/ LY-kən, UK also /ˈlɪtʃən/ LITCH-ən) is a hybrid colony of algae or cyanobacteria living symbiotically among filaments of multiple fungus
Lichen
Large black algal bloom that was first spotted floating in the Chukchi Sea
production, though locals do fish and hunt there. The algae's black color is unusual for marine algae, which are typically shades of green or red. Several
The_blob_(Chukchi_Sea_algae)
Clade of eukaryotes containing land plants and some algae
Viridiplantae (green algae and land plants) and Rhodophyta (red algae), as well as the minor basal division Glaucophyta ("grey algae"). While the vast majority
Archaeplastida
live plants. Hobby aquarists use aquatic plants for aquascaping. Marine algae are also included in this list for convenience, despite the fact that many
List of marine aquarium plant species
List_of_marine_aquarium_plant_species
centre) has constructed AlgaePARC (Algae Production And Research Centre) at the Wageningen Campus.[citation needed] The goal of AlgaePARC is to fill the gap
AlgaePARC
Species of cephalopod
has the common name algae octopus due to its typical resting camouflage, which resembles a gastropod shell overgrown with algae. It is small in size
Abdopus_aculeatus
Genus of fishes
freshwater mountain streams. The species in this genus are commonly called algae eaters. They hold on to fixed objects using a sucker-like mouth, and, despite
Gyrinocheilus
Outcrop of rock in the sea formed by the growth and deposit of stony coral skeletons
degradation. Algae inhabit a large percentage of surveyed coral locations. The algal population consists of turf algae, coralline algae and macro algae. Some
Coral_reef
Biological process to convert light into chemical energy
which photopigment-bearing autotrophic organisms, such as most plants, algae and cyanobacteria, convert light energy—typically from sunlight—into the
Photosynthesis
Spread of planktonic algae in water
An algal bloom or algae bloom is a rapid increase or accumulation in the population of algae in fresh water or marine water systems. It may be a benign
Algal_bloom
Bacterium
Formosa algae is a Gram-negative, short-rod-shaped and non-motile bacterium from the genus Formosa. The species exhibits gliding motility. Cells are oxidase
Formosa_algae
Algae production trade organization
National Algae Association is a United States non-profit algae production trade organization for commercially minded algae researchers, algae producers
National_Algae_Association
Species of bacterium
Winogradskyella algae is a Gram-negative, aerobic, rod-shaped and non-motile bacterium from the genus of Winogradskyella which has been isolated from
Winogradskyella_algae
Clade of archaeplastids including green algae and the land plants
known species that include all green algae and land plants (embryophytes, which evolved from freshwater green algae known as streptophytes). They are important
Viridiplantae
British photographer (1799–1871)
the process to algae (specifically, seaweed) by making cyanotype photograms that were contact printed "by placing the unmounted dried-algae original directly
Anna_Atkins
Phylum of algae
Ochrophytes, also known as heterokontophytes or stramenochromes, are a phylum of algae. They are the photosynthetic stramenopiles, a group of eukaryotes, organisms
Ochrophyte
Edible seaweed species of the red algae genus Pyropia
seaweed used in Japanese cuisine, usually made from species of the red algae genus Pyropia, including P. yezoensis and P. tenera. It has a strong and
Nori
Basic unit of life forms
and some species of algae. Multicellular eukaryotes include animals, plants, some species of fungi, and some species of algae. All multicellular organisms
Cell_(biology)
Aquaculture involving the farming of algae
is a form of aquaculture involving the farming of species of algae. The majority of algae that are intentionally cultivated fall into the category of microalgae
Algaculture
Cleaning the top (roof) of a home/building
Roof cleaning is the process of removing algae, mold, mildew, lichen and moss from roofs. Also cleaning oxidation on metal roofs. Cleaning can extend
Roof_cleaning
Body of water in Queen Mary Land, Antarctica
Algae Lake is a narrow, winding lake, 9 nautical miles (17 km) long and between 0.2 and 1 nautical mile (0.4 and 1.9 km) wide, extending in an east–west
Algae_Lake
Bacterium
Mesonia algae is a Gram-negative, aerobic, moderately halophilic, heterotrophic and non-motile bacterium from the genus of Mesonia which has been isolated
Mesonia_algae
Plant organelle that conducts photosynthesis
The number of chloroplasts per cell varies from one, in some unicellular algae, up to 100 in plants like Arabidopsis and wheat. Chloroplasts are highly
Chloroplast
Species of bacterium
Prosthecobacter algae is a Gram-negative, facultatively anaerobic and fusiform-shaped bacterium from the genus Prosthecobacter which has been isolated
Prosthecobacter_algae
Species of moth
Cryphia algae, the tree-lichen beauty, is a moth of the family Noctuidae. The genus was erected by Johan Christian Fabricius in 1775. It is found in Mediterranean
Cryphia_algae
Accumulation of nutrients in water
nonpoint pollution sources. Additionally, the introduction of bacteria and algae-inhibiting organisms such as shellfish and seaweed can also help reduce
Eutrophication
Outermost layer of some cells
mollicute bacteria. Among the eukaryotes, cells walls are prevalent in fungi, algae and plants but absent from animals and many other taxa. The composition
Cell_wall
Taxonomic rank above species and below family
species a single unique name that, for eukaryotes (animals, plants, protists, algae, fungi), and prokaryotes (bacteria and archaea), is Latin and binomial in
Genus
Environmental issue in Canada
Lake Winnipeg in Manitoba, Canada, has experienced excessive algae blooms since the 1990s and has been described as "Canada's sickest lake". Toxins released
Lake_Winnipeg_algae_threat
Class of algae
Yellow-green algae or the Xanthophyceae (xanthophytes) are an important group of heterokont algae. Most live in fresh water, but some are found in marine
Yellow-green_algae
Genus of algae
algae, is a widespread genus of red algae, found in marine and freshwater environments. The form known as "black brush algae" (or "black beard algae"
Audouinella
Historically, a biological kingdom
under Monera; however, some Cyanobacteria (often called the blue-green algae) were initially classified under Plantae due to their ability to photosynthesize
Monera
Hydrogen that is produced biologically
as a solar fuel by algae. Algae produce hydrogen under certain conditions. In 2000 it was discovered that if C. reinhardtii algae are deprived of sulfur
Biohydrogen
Unit of reproduction adapted for dispersal and survival in unfavorable conditions
unfavourable conditions. Spores form part of the life cycles of many plants, algae, fungi and protozoa. They were thought to have appeared as early as the
Spore
Organisms that live in salt water
or ecological communities that encompass all aquatic animals, plants, algae, fungi, protists, single-celled microorganisms and associated viruses living
Marine_life
Large, unicellular species of algae
Valonia ventricosa, also known as bubble algae, sea grape, or sailor's eyeballs, is a species of algae within the phylum Chlorophyta found in tropical
Valonia_ventricosa
Single-celled organisms
motility and predation, and lack a cell wall, as found in plants and many algae. This classification remained widespread in the 19th and early 20th century
Protozoa
Spheres of natural fibre formed in water
90 in) and 53.6 mm (2.11 in). There is a distinction between sea balls and algae that grows in spherical shapes, such as species in the genus Aegagropila
Sea_balls
Taxonomic rank
had placed the blue-green algae (or Phycochromacea) in Monera; this would gradually gain acceptance, and the blue-green algae would become classified as
Kingdom_(taxonomy)
Species of fish
Crossocheilus langei, also known as the red algae eater (but sold sometimes sold as "Siamese algae eater"), is a species of ray-finned fish in the genus
Crossocheilus_langei
Green pigments found in plants, algae and bacteria
catalysts and green pigments found in cyanobacteria and in the chloroplasts of algae and plants. Its name is derived from the Greek words χλωρός (khloros, "pale
Chlorophyll
Fuel made from vegetable oils or animal fats
percentage of vehicles. Algae fuel yields have not yet been accurately determined, but DOE is reported as saying that algae yield 30 times more energy
Biodiesel
Subclade of green plants, also known as land plants
common ancestry with freshwater green algae, having emerged within the Phragmoplastophyta clade of charophyte algae as a sister clade of Charophyceae, Coleochaetophyceae
Embryophyte
Algal cell type
Trichocyte in algae are cells which grow on the outside of the thallus, from which hairs grow. In algae, trichocytes grow principally over the summer;
Trichocyte_(algae)
Marine synthesis of organic compounds
production is generated by a diverse collection of marine microorganisms called algae and cyanobacteria. Together these form the principal primary producers at
Marine_primary_production
Species of algae
Aegagropila brownii (a species of filamentous green algae previously known as Aegagropila linnaei) in which the algae grow into large green spheres with a velvety
Marimo
is the mutually beneficial symbiotic relationship of green algae and/or blue-green algae (cyanobacteria) living among filaments of a fungus, forming
Symbiosis_in_lichens
Study of plant life
graze". Traditionally, botany has also included the study of fungi and algae by mycologists and phycologists respectively, with the study of these three
Botany
Species of marine reptile endemic to Galapagos Islands
lizards, it is a marine reptile that has the ability to forage in the sea for algae, which make up almost all of its diet. Marine iguanas are the only extant
Marine_iguana
Macroscopic algae
The lamina or blade in macroscopic algae, like seaweed, is a generally flattened structure that typically forms the principal bulk of the thallus. It
Lamina_(algae)
Phenomenon where corals expel algae tissue
bleaching is the process where corals become white due to loss of symbiotic algae and photosynthetic pigments. This loss of pigment can be caused by various
Coral_bleaching
Underwater areas highly dense with kelp
normal population regulation and result in the overgrazing of kelp and other algae. This can rapidly result in transitions to barren landscapes where relatively
Kelp_forest
Clade of eukaryotes
single-celled, but some are multicellular including some large seaweeds, the brown algae. The group includes a variety of algal protists, heterotrophic flagellates
Stramenopile
For killing and preventing the growth of algae
the growth of algae, often defined in a loose sense that, beyond the biological definition, also includes cyanobacteria ("blue-green algae"). An algaecide
Algaecide
startup that developed a process of growing algae using emissions from fossil fuels to produce biofuel from algae. Based in Cambridge, Massachusetts, Greenfuel
GreenFuel Technologies Corporation
GreenFuel_Technologies_Corporation
Species of mollusc (sea slug)
on algae. Costasiella kuroshimae are capable of a physiological process called kleptoplasty, in which they retain the chloroplasts from the algae they
Costasiella_kuroshimae
Scientific study of ocean life
categorized into cyanobacteria (also called blue-green algae/bacteria), various types of algae (red, green, brown, and yellow-green), diatoms, dinoflagellates
Marine_biology
Genus of single-celled organisms
Pinnularia is a genus of fresh water algae, more specifically a type of diatom. Pinnularia is a predominantly fresh-water algae usually found in ponds and moist
Pinnularia
Species of alga
Mediterranean Sea, the United States, and Australia. It is one of two species of algae listed in 100 of the World's Worst Invasive Alien Species compiled by the
Caulerpa_taxifolia
Fuel derived from biological sources
biofuels that are produced by bioengineered organisms i.e. algae and cyanobacteria. Algae and cyanobacteria will use water, carbon dioxide, and solar
Biofuel
Ecological metric
converted into chemical energy during photosynthesis in green plants and algae. Photosynthesis can be described by the simplified chemical reaction 6 H2O
Photosynthetic_efficiency
National R&D service organization
15°22′8″W / 27.99111°N 15.36889°W / 27.99111; -15.36889 The Spanish Bank of Algae (BEA-Banco Español de Algas) is a national R&D service attached to the Marine
Spanish_Bank_of_Algae
Plant cell organelles that perform photosynthesis and store starch
A plastid is a membrane-bound organelle found in the cells of plants, algae, and some other eukaryotic organisms. Plastids are considered to be intracellular
Plastid
Species of moth
Globia algae, the rush wainscot, is a moth of the family Noctuidae. The species was first described by Eugenius Johann Christoph Esper in 1789. It is
Globia_algae
Species of green alga
Organization and Food and Agriculture Organization, as the algae synthesizes amino acids. The algae also contains lipids (5–40% of the dry mass), carbohydrates
Chlorella_vulgaris
Vaccination strategy being researched
Edible algae based vaccination is a vaccination strategy under preliminary research to combine a genetically engineered sub-unit vaccine and an immunologic
Edible_algae_vaccine
Genus of algae
as hair algae, is a genus of marine green algae in the family Bryopsidaceae. Species in the genus are macroscopic, siphonous marine green algae that are
Bryopsis
Uses high frequency sound to prevent or reduce biofouling on underwater structures
microscopic pressure changes. Both methods inhibit or prevent biofouling by algae and other single-celled organisms. Ultrasound was discovered in 1794 when
Ultrasonic_antifouling
Autotrophic members of the plankton ecosystem
Aquaculture involving the farming of algae AlgaeBase – Species database Algal bloom – Spread of planktonic algae in water Bacterioplankton – Bacterial
Phytoplankton
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ALGAE
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ALGAE
ALGAE
ALGAE
ALGAE
ALGAE
ALGAE
ALGAE
a.
Divided by parallel planes; as, zonate tetraspores, found in certain red algae.
n.
A special podlike or fusiform branch containing tetraspores. It is found in certain red algae.
n.
A chain of small cells in certain algae, by which the plant is propogated.
n.
A spore formed by the union of the contents of two similar cells, either of the same or of distinct individual plants. Zygosperms are found in certain orders of algae and fungi.
n.
A cell larger than the others, and of different appearance, occurring in certain algae related to nostoc.
n.
A large motile spore having four vibratile cilia; -- found in certain green algae.
n.
A genus of algae. The plants are composed of moniliform cells imbedded in a gelatinous substance.
n.
A genus of minute unicellular algae of the desmids. These algae have a rounded shape and are armed with glochidiate or branched aculei. Several species occur in ditches, and others are found fossil in flint or hornstone.
n.
One of a large class or division of the vegetable kingdom, which includes those flowerless plants, such as fungi, algae, and lichens, that consist of a thallus only, composed of cellular tissue, or of a congeries of cells, or even of separate cells, and never show a distinction into root, stem, and leaf.
n.
A spore provided with one or more slender cilia, by the vibration of which it swims in the water. Zoospores are produced by many green, and by some olive-brown, algae. In certain species they are divided into the larger macrozoospores and the smaller microzoospores. Called also sporozoid, and swarmspore.
n.
A name for certain crustaceous marine algae which secrete carbonate of lime on their surface, and were formerly thought to be of animal nature. They are now considered corallines of the genera Melobesia and Lithothamnion.
n.
One of innumerable minute, motile, reproductive bodies, produced asexually by certain algae and fungi; a zoospore.
n.
A genus of algae including the gulf weed.
n.
The special cell in red algae which produces or bears a trichogyne. See Illust. of Trichogyne.
n.
A peculiar kind of fructification on certain red algae, consisting of an external mass of filaments at length separating into tetraspores.
n.
A genus of minute unicellular algae including the red snow plant (Protococcus nivalis).
n.
Any marine plant of the class Algae, as kelp, dulse, Fucus, Ulva, etc.
n.
One of several spores arranged in a chain as in certain algae of the genus Callithamnion.
n.
One of the nonsexual spores found in red algae; a tetraspore.
n.
A genus of marine green algae, in which the whole frond consists of a single oval or cylindrical cell, often an inch in length.
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