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This is concerned more with nature's services which also make vital contributions to the welfare of society and to ecological processes without which our planet would be uninhabitable. Biodiversity contributes to varied ecosystem services that include numerous invisible but essential services. These are the recycling of elements such as carbon, oxygen and nitrogen and other nutrients, decomposition and waste dissipation, productivity and carbon storage, soil formation and fertility generation, reduction of soil salinity, water recharge, maintenance and raising of water table, enhancement of water and air quality etc. Other indirect uses including pollination, gene flow, carbon sequestration, absorption and breakdown of pollutants (in land, air and water), maintaining soil fertility by soil microflora, are important services provided by biodiversity. Biodiversity also acts as a buffer against excessive variation in weather, climate and other natural events (e.g. through flood control, storm protection, drought control etc.) and many more that are outside the control of human beings.
All or None Response A very weak stimulus does not result in an action potential. The stimulus must have a certain strength to evoke an excitation. This is the threshold value
Which of the following statements is correct? A. Hemoglobin binds O2 cooperatively, while myoglobin does not. B. Myoglobin binds O2 cooperatively, while hemoglobin does not.
Determine the Foos Sources of cyanocobalamin? Vitamin B I2 is unique among vitamins in the sense that it is mostly found in foods of animal origin but is not generally present
Why do you think the mitochondria contain their own DNA (circular) and have a double membrane?
Percent solutions are made on the basis of g/ml or ml/ml of diluent, and it is usually assumed that 1 ml of water = 1 g of water. For example, 20 g/100 ml of water or 200 g/1000 ml
what is the purpose of pyramaids in biology
Food Pyramid The diabetes food pyramid divides food into six groups. These groups vary with each other on the basis of size occupied in the pyramid. The largest i.e. grains, br
Which of the following is a false statement regarding the activity of DNA polymerase during the replication process? A. DNA polymerase reads the template strand in the 5' to 3
PARATHYRIOD GLANDS - They develop from the endoderm of the embryo. The parathyroid glands consist of four separate glands located on the posterior surface of the lobes of
Define Anaerobic Exercise or Energy System? Thus, exercises which are done for short bursts of time lasting only for few seconds (less than 120 sec) use only anaerobic system o
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