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Ecosystems main functions are physical, chemical and biological processes. Which is required for if maintenance of ecosystem. Some important function-
1. Production of biomass by producers with the help of photosynthesis process.
2. Decomposition of complex organic material by decomposers into inorganic raw materials like CO2 , H2o and various nutrients.
3. The cycling of various nutrients like C,O,N,P,S through biogeochemical cycles.
4. The transfer of energy from one trophic level (eg. producers) t the next trophic level (eg. consumers) through food chain.
An enzyme isolated from a mutant bacterium grown at 20 degrees celsius works in a test tube at 20 degrees celsius but not at 37 degrees celsius( 37 degrees celsius is the temperatu
factors affecting nitrogen balance
After the food intake is over, the food gets digested, assimilated and finally egested through the kidneys and anus. The urinary system: • Filters waste materials from the blood
Admission Procedure From the time the child and his family enter the hospital doors, the admission procedure should be carried out in a friendly and efficient manner. Admiss
The goals of biological classification The world of animal diversity is quite complex and it requires an ability to recognise similarities and differences among organisms. Class
Determine Fat Soluble Vitamin Needs of school children and adolescents? ICMR (1990) does not give recommendations for vitamin D, E and K. Vitamin D is very important for skelet
Autumn (fall) overturn In autumn or early winter the air temperature falls, resulting in the cooling of the surface waters. When the surface water cools to 4°C it becomes dens
(a) Give two examples of diseases which can be spread by contaminated drinking water. (b) How can the spread of such diseases be prevented? (a) Typhoid and cho
What is cyclosis? Cyclosis is a type of internal cell movement in which an oriented flow of circulating material is formed and maintained in the cytoplasm by the action of micr
Structure and Fate of Endosperm The cells of endosperm are usually thin-walled, large isodiametric and devoid of pits and store large amount of food materials. The starch alo
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