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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.
Shifting cultivation - Degradation of Ecosystem This method of cultivation is practised all over the globe, but is more prevalent in the tropical countries. In this practice a
Evolution of Photosynthesis and Aerobic Respiration It is assumed that the earlier form of the bacteria utilised H 2 S for the preparation of food. The following reaction shows
Define role of Vitamin D in controlling gene expression? Vitamin D is a secosteroid that is metabolically activated and degraded through the actions of three cytochrome P450 hy
Q. What is the second polar body? After termination of the second meiotic division of the oocyte II two cells are generated: the second polar body and the egg cell proper. The
Explain about chthalamus The realised niche of Chthalamus is reduced from its fundamental niche and it is limited to the upper tidal zone Lower limits Out-competed
Explain Deficiency diseases due to vitamin C? Vitamin C deficiency in human's results in the disease called scurvy, whose symptoms include hemorrhaging (especially in the gums)
The biologicaI species concept claims that species consist of natural populations and that species are real and objective. They are not man-made subjective abstraction. According
Wetlands and estuaries are transitional biomes. Land that remains flooded either part of the year or permanently with fresh or salt water is known as wetland. The internationally a
What is the typical vegetation of the grasslands? The Grasslands are mainly formed of herbaceous (nonwoody) vegetation: grass, small trees and bushes.
why the excretory organ of prawn is called ''green gland''?
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