alga

Definition of alga in English English dictionary: Any of many aquatic photosynthetic organisms, whose size ranges from a single cell to giant kelps and whose form is very diverse; some are eukaryotic and some prokaryotic; includes the seaweeds; Plural is algae A photosynthetic eukaryotic plant-like organism in the kingdom Protista; One of a group of algae typically found in water or damp areas; Australian Local Government Association; primitive chlorophyll-containing mainly aquatic eukaryotic organisms lacking true stems and roots and leaves; Phototrophic eukaryotic microorganism Algae could be unicellular or multicellular Blue-green algae are not true algae; they belong to a group of bacteria called cyanobacteria; {i} plant usually found in water, sea-weed; the class of cellular cryptogamic plants which includes the black, red, and green seaweeds, as kelp, dulse, sea lettuce, also marine and fresh water confervæ, etc; A kind of seaweed; pl
blue-green alga: Any member of the cyanobacteria; a primitive photosynthetic organism similar to bacteria which is thought to have generated the first oxygen in the Earth's atmosphere
brown alga: Any of many seaweeds of the class Phaeophyceae
green alga: Any of very many organisms, of the division Chlorophyta, that grow in damp places; a chlorophyte
red alga: Any marine alga, of the phylum Rhodophyta, that are mostly reddish in colour
yellow-green alga: Any alga, of the class Xanthophyceae, that have yellow carotenoid pigments as well as chlorophyll
Algal: of or relating to alga
algae: mostly aquatic organisms that are usually photosynthetic and typically smaller and less complex than land plants
algae: Simple rootless plants that grow in sunlit waters in relative proportion to the amounts of nutrients available They are food for fish and small aquatic animals, and a factor in eutrophication (Source: Mintzer, 1992)
algae: a group of chiefly aquatic plants (e g , seaweed, pond scum, stonewort, phytoplankton) that contain chlorophyll and may passivel drift, weakly swim, grown on the substrate, or take root in a water body
algae: Underwater growths of plant-like organisms Some algae may resemble plants but they are actually not plants at all Algae ranges in type from tall stalks of kelp to fuzzy growths of green hair algae to encrusting growths of coralline algae
algae: Microscopic forms of plant life They thrive in sunshine They are present on vegetation, in the air, and in soils Their microscopic spores are continuously introduced into the pool by winds, dust storms, rain showers, etc They grow rapidly in pool water when exposed to sunlight and temperature above 40 degrees If not destroyed by chemical treatment, they form objectionable slime and odors They can interfere with proper filtration and greatly increase chlorine demand Phosphates (fertilizers) in the water encourage their growth
algae: Simple, usually aquatic, plants without tru roots, stems, or leaves Almost all of them contain chlorophyll and thus are able to produce their own food Kelp is one example
algae: aquatic plants that can clog ponds or streams and allow mosquito larvae to hide from fish and other predators
algae: primitive chlorophyll-containing mainly aquatic eukaryotic organisms lacking true stems and roots and leaves
algae: Photosynthetic plants that contain chlorophyll, have simple reproductive structures, and whose tissues are not differentiated into true roots, stems, or leaves
algae: Are microscopic plants that are free-living and usually live in water They occur as single cells floating in water, or as multicellular plants like seaweed or strands of algae that attach to rocks
algae: Simple rootless plants that grow in bodies of water (e g , estuaries) at rates in relative proportion to the amounts of nutrients (e g , nitrogen and phosphorus) available in the water
algae: Primitive plants, usually aquatic, capable of synthesizing their own food by photosynthesis
algae: A chlorophyll-containing plant ranging from one to many cells in size, that lives in fresh or salt water
algae: Microscopic plant-like organisms that contain chlorophyll Algae are nourished by carbon dioxide (CO2) and use sunlight to carry out photosynthesis It is introduced by rain or wind and grows in colonies producing nuisance masses Algae are not disease-causing, but can harbor bacteria, and it is slippery There are 21,000 known species of algae The most common pool types and black, blue-green, green and mustard (yellow or drawn) Pink or red-colored algae-like organisms exist but are bacteria and not algae Maintaining proper sanitizer levels, shocking and superchlorination will help prevent its occurrence
algae: Plant like marine organisms that range in size from microscopic phytoplankton to the giant kelp bladder found of our beaches They contain chlorophyll, the same pigment used by land plants to perform photosynthesis
algae: One-celled (phytoplankton) or multicellular plants either suspended in water (Plankton) or attached to rocks and other substrates (periphyton) Their abundance, as measured by the amount of chlorophyll a (green pigment) in an open water sample, is commonly used to classify the trophic status of a lake Numerous species occur Algae are an essential part of the lake ecosystem and provides the food base for most lake organisms, including fish Phytoplankton populations vary widely from day to day, as life cycles are short
algae: Algae is a type of plant with no stems or leaves that grows in water or on damp surfaces. a very simple plant without stems or leaves that grows in or near water (alga ). Members of a group of mostly aquatic, photosynthetic organisms (see photosynthesis) that defy precise definition. They range in size from the microscopic flagellate Micromonas to giant kelp that reach 200 ft (60 m) in length. Algae provide much of Earth's oxygen, serve as the food base for almost all aquatic life, and provide foods and industrial products, including petroleum products. Their photosynthetic pigments are more varied than those of plants, and their cells have features not found among plants and animals. The classification of algae is changing rapidly because new taxonomic information is being discovered. Algae were formerly classified into three major groups the red, brown, and green seaweeds based on the pigment molecules in their chloroplasts. Many more than three groups are now recognized, each sharing a common set of pigment types. Algae are not closely related to each other in an evolutionary sense. Specific groups can be distinguished from protozoans and fungi (see fungus) only by the presence of chloroplasts and by their ability to carry out photosynthesis; these specific groups thus have a closer evolutionary relationship with the protozoa or fungi than with other algae. Algae are common on "slimy" rocks in streams (see diatoms) and as green sheens on pools and ponds. Use of algae is perhaps as old as humankind; many species are eaten by coastal societies
algae: Microorganisms that may grow to colonies in damp environments, including certain rooftops They can discolor shingles Often described as "fungus "
algae: plural of alga
algae: (bio) (biocon) (gen) A unicellular or simple multicellular photosynthetic organism lacking multicellular sex organs; the blue-green algae, or cyanobacteria, are photosynthetic bacteria Fresh and saltwater aquatic plants, usually microscopic in size, but including seaweed They are valuable in waste treatment, as a protein source for humans, as animal feed, and as a FEEDSTOCK for BIOGAS DIGESTERs F - algues S - algas
algae: microscopic plants which contain chlorophyll and live floating or suspended in water They also may be attached to structures, rocks or other submerged surfaces They are food for fish and small aquatic animals Excess algal growths can impart tastes and odors to potable water Algae produce oxygen during sunlight hours and use oxygen during the night hours Their biological activities appreciably affect the pH and dissolved oxygen of the water
algae: Microscopic plants deposited in pool or spa water by wind, rain, and dust They thrive in sunlight and warm water, clogging filters, increasing the need for sanitizers and oxidizers, and causing slippery surfaces There are 21,000 known species of algae
algae: Microscopic plants that grow in water in the absence of chlorine
algae: Microscopic plants that grow in sunlit water containing phosphates, nitrates, and other nutrients Algae, like all aquatic plants, add oxygen to the water and are important in the food chain
algae: Plant-like organisms which grow in water While many algae grow as a fuzz or slime without much visible structure, some is leafy Other algae is hard and calcareous
algae: Micro organisms that may grow to colonies in damp environments, including certain rooftops Often described as fungus, algae can discolor shingles
algae: are any of a large family of mostly aquatic organisms that contain chlorophyll Some algae are single-celled while others, such as certain seaweeds, are multicellular and may be very large Some live in symbiotic association with other organisms, such as algae and fungi in the form of lichens, or the algae and coral discussed in this EarthPulse NEWS article
algal: Algal means relating to algae. Sewage nutrients do increase algal growth in the harbour
algal: {s} of seaweeds and sea plants, of algae
algal: Pertaining to, or like, algæ
algal: Pertaining to, or like, algae
brown alga: Any of a large group of chiefly marine plants of the division Phaeophyta, including the rockweeds and the kelps, having brown and yellow pigments that mask the chlorophyll
green alga: Any of the numerous algae of the division Chlorophyta, such as spirogyra and sea lettuce, that have chlorophyll unmasked by other pigments
red alga: Any of various predominantly marine algae of the division Rhodophyta, characteristically red or reddish in color

alga

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al·ga

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[ al-g& ] (noun.) 1551. Latin, seaweed.

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alga

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Definition of alga in English English dictionary

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