Parasitic Leeches and Copepods on Fish Although not a common problem, occasionally, fish will be observed infected with either leeches or copepods. Leeches have long, slender flexible bodies and actively swim for an attack on their prey. Skin and underlying soft tissues are damaged and allow blood to flow into the leech’s digestive tract. Leeches […]
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Rafflesia arnoldii (corpse flower): The World’s Largest Bloom A rare, parasitic, rootless and leafless plant, Rafflesia arnoldii has the largest known flower in the world. This southeast Asian plant has the largest known individual flower in the world. It is parasitic on members of the genus Tetrastigma (in the grape family, Vitaceae). It has no
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Carbon Sequestration Through Ecosystems Several Human activities, such as burning of fossil fuels such as coal, oil, and gas, have caused a substantial increase in the concentration of carbon dioxide in the atmosphere which results measurable global warming. All these activities posing adverse effects and responsible for sea-level rise, floods, droughts, increased wildfires, changes in
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HYDROPONIC: SOIL LESS CULTURE Hydroponics: Hydroponics or soil-less culture is a technology for growing plants in nutrient solutions that supply all nutrient elements needed for optimum plant growth with or without the use of an inert medium such as gravel, vermiculite, rock wool, peat moss, saw dust, coir dust, coconut fibre, etc. to provide mechanical
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Trout Fishery And Its Management In High Altitude Himalaya Fish inhabit nearly all aquatic environments, from high mountain streams to the deepest ocean. Fish are an important resource worldwide, especially as food and sports. Trout fish belonging to family Salmonidae is native to Europe, North Africa and Asia. Brown trout has been established in USA,
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Effects of Enviornmental Temprature on Fruit Flies Drosophila melanogaster is a small, common fly found near unripe and rotted fruit. It has been in use for over a century to study genetics and behaviour. Thomas Hunt Morgan was the pre-eminent biologist studying Drosophila early in the 1900’s. He was the first to discover sex-linkage and
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Toxicology: Chemical- Biological Interactions Toxicology the science of poisons toxins concerned with the chemical nature of poisonous substances and their adverse effects in biological systems are a complex, interdisciplinary subject, straddling the fields of chemistry, biology, pharmacology, medicine, genetics, economics, and law. Various sub disciplines within toxicology include Aquatic toxicology, Chemical toxicology, Ecotoxicology, Environmental toxicology,
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Sikkim: India’s First Fully Organic State Sikkim is a northeastern state of India. In 1975, the Indian military deposed the Sikkimese monarchy. A referendum in 1975 led to Sikkim joining India as its 22nd state of India. It borders China in its north and east, Bhutan in its east, Nepal in its west and the
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Blood Blood is a connective tissue which connects all the body organs & tissues with each other for proper functioning of the body systems . It consists of many components which includes plasma & blood cells, (RBC, WBC & platelets) Plasma :- It contains about 90-92 % water. It is straw coloured fluid , contain
Photosynthesis: The vital Process Photosynthesis is the inevitable and vital physiological process and without this necessary process of life could not exist. Photosynthesis in simple terms is the conversion of light energy to chemical energy. It is the process where organic compound (carbohydrates) is produced from inorganic substrates along with the evolvement of oxygen. Being
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