what is the definition of bioluminescence
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Bioluminescence Bioluminescence is the production and emission of light by a living organism. It is a form of chemiluminescence. Bioluminescence occurs widely in marine vertebrates and invertebrates, as well as in some fungi, microorganisms including some bioluminescent bacteria and terrestrial invertebrates such as fireflies.In some animals, the light is produced by symbiotic organisms such as Vibrio bacteria.ioluminescence is a form of chemiluminescence where light energy is released by a chemical reaction. Fireflies, anglerfish, and other organisms produce the light-emitting pigment luciferin and the enzyme luciferase. Luciferin reacts with oxygen to create light:
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Bioluminescence Most of the bioluminescence produced in the ocean is in the form of blue-green light. This is because these colors are shorter wavelengths of light, which can travel through (and thus be seen) in both shallow and deep water. Light traveling from the sun of longer wavelengths—such as red light—doesn't reach the deep sea.
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What is bioluminescence? Bioluminescence is the production and emission of light by a living organism. Bioluminescent creatures are found throughout marine habitats, from the ocean surface to the deep sea floor.f you’ve ever seen a firefly, you have encountered a bioluminescent organism. In the ocean, bioluminescence is not as rare as you might think. In fact, most types of animals, from bacteria to sharks, include some bioluminescent members.
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Definitions &Translations Biomagnification, also known as bioamplification or biological magnification, is the increase in concentration of a substance that occurs in a food chain as a consequence of: ⁕Persistence ⁕Food chain energetics ⁕Low rate of internal degradation/excretion of the substance The following is an example showing how bio-magnification takes place in nature: An anchovy eats zoo-plankton that have tiny amounts of mercury that the zoo-plankton has picked up from the water throughout the ...
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What is chemiluminescence? Glow sticks Image courtesy of Erik Solheim; image source: Wikimedia Commons. Fireflies, jellyfish and glow sticks – one flies, one lives deep in the ocean and one provides entertainment in night clubs. What is the link? The answer is some intriguing chemical reactions that produce light. Chemiluminescence is the production of light from a chemical reaction.
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Bioluminescence How it’s made. Bioluminescence occurs through a chemical reaction that produces light energy within an organism's body. For a reaction to occur, a species must contain luciferin, a molecule that, when it reacts with oxygen, produces light. There are different types of luciferin, which vary depending on the animal hosting the reaction.
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Definitions &Translations Freebase(0.00 / 0 votes)Rate this definition: Photoluminescence describes the phenomenon of light emission from any form of matter after the absorption of photons. It is one of many forms of luminescence and is initiated by photoexcitation, hence the prefix photo-.
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- A firefly's bioluminescence is produced by a chemical reaction within its body. Calcium, adenosine triphosphate (ATP), the substrate luciferin, and the enzyme luciferase must all be present in the light organ. The introduction of oxygen triggers the reaction between these ingredients, resulting in light energy.
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Virescence Virescence is closely associated with phyllody (the abnormal development of flower parts into leaves) and witch's broom (the abnormal growth of a dense mass of shoots from a single point). They are often symptoms of the same disease affecting the plants, typically those caused by phytoplasmas.
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What is Biological Magnification? Top 10 facts about the world. Biological magnification, also known as biomagnification or bioamplification, explains why a substance appears in higher concentrations in organisms higher in a given food chain than in organisms lower in a food chain.
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Bioluminescence Questions and Answers All bioluminescence comes from energy released from a chemical reaction. This is very different from other sources of light, such as from the sun or a light bulb, where the energy comes from heat. In a luminescent reaction, two types of chemicals, called luciferin and luciferase, combine together.
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Bioluminescence Most deep-sea animals produce some bioluminescent light, but the phenomenon isn’t relegated to the deep: one of the most common sightings occurs at the surface of the ocean. Many small planktonic surface dwellers—such as single-celled dinoflagellates—are bioluminescent.
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Fluorescence Bioluminescence differs from biofluorescence in that it is the natural production of light by chemical reactions within an organism, whereas biofluorescence is the absorption and reemission of light from the environment.
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bioluminescence Definition of bioluminescence. : the emission of light from living organisms (such as fireflies, dinoflagellates, and bacteria) as the result of internal, typically oxidative chemical reactions; also : the light so produced.
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Biological pollution Biological pollution (bioinvasion impacts or biopollution) is a term that defines adverse effects of invasive alien species (IAS) on quality of aquatic and terrestrial environment. Biopollution may cause adverse effects at several levels of biological organization :
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- This phenomenon is called bioluminescence, and the bioluminescent organs in fireflies are found on the underside of the abdomen. A similar group of organisms are glowworms. The term “glowworm” can refer to firefly larva or wingless adult females—some of which are not in the firefly family Lampyridae.
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Bioluminescence Bioluminescent Plankton can be spotted in the Indian Ocean. Bioluminescence is the production and emission of light by a living organism. Light is released by a chemical reaction.
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Bioluminescence Worms and tiny crustaceans also use bioluminescence to attract mates. Humans primarily see bioluminescence triggered by a physical disturbance, such as waves or a moving boat hull, that gets the animal to show their light off, but often animals light up in response to an attack or in order to attract a mate.
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- An enzyme present in the cells of bioluminescent organisms that catalyzes the oxidation of luciferin and ATP, producing light. lucifer(in) + –ase.
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AskANerd: Bioluminescence They produce it in their own bodies. These creatures produce a chemical known as luciferin which, when combined with a few other catalyst enzymes and oxygen, produces visible light. A very interesting feature about bioluminescent light is that it is cold light. Think of the last time you held a firefly in your hand and watched it give off its glow.
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fluorescence fluorescence. The emission of light from a material when subject to photons of another wavelength. A fluorescent object often emits visible light when it receives ultraviolet light. Fluorescence also occurs in nature; for example, fireflies and certain deep sea fish have fluorescent qualities.
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- Fluorescence is a process where a substance emits light as an effect of the absorption of light of a shorter wavelength. The difference in wavelengths is called Stoke’s Shift. In detail, fluorescence occurs if a substance absorbs light in the form of photons. This leads to a shift of electrons to a higher energy level.
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bioactive Definition of bioactive. : having an effect on a living organism bioactive molecules.
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- .01 Legislation authorizing user fees. Section 7528 of the Code directs the Secretary of the Treasury or delegate (the “Secretary”) to establish a program requiring the payment of user fees for requests to the Service for letter rulings, opinion letters, determination letters, and similar requests.
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BACTERIA bioremediation - the act of treating waste or pollutants by the use of microorganisms (as bacteria) that can break down the undesirable substances. microorganism, micro-organism - any organism of microscopic size. acidophil, acidophile - an organism that thrives in a relatively acid environment.
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- Term. bioluminescence. Definition. production of light by liviing organisms as a result of a chemical reaction either within certain cells or organs or outside the cells in some form of excretion.