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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.
CONSEQUENC E OF OVER POPULATION - With increase in population the available natural resources will fall short of requirements. A severe competition will ensure creating soc
Nervous System and Sense Organs The non-chordates also perform a variety of activities such as feeding, digestion, locomotion etc. For this aim, they have corresponding organs
What are the special considerations required to be taken in maintenance of implants? The procedures for maintenance of patients with implants are similar to those with natural
LAMELLA R MODELS According to James Danielly & Hugh Davson (1935) cell membrane consists of 4 layers P-L-L-P. Molecules of phospholipid has amphipathic nature, i.e. it
Oxygen Dissociation Curves The oxygen content of blood fully saturated or oxygenated can be calculated. It is known as the oxygen capacity of blood and this varies for differe
Q. What are the most common methods of female and male surgical sterilization? Vasectomy is the majority common method of surgical sterilization in men in vasectomy the vas def
true or false. the law of entropy says that all energy is ultimately derived from the sun
what is exonephric
Define the Theory or Principle of Drying? Drying can be illustrated as the application of heat under controlled conditions to eliminate the majority of the water generally avai
Digestion of Carbohydrates Digestion of food starts in the mouth itself by the action of enzyme salivary amylase and the carbohydrates present in the food, particular
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