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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.
Explain Following Trems (a) State three structural features of prokaryotic cells. (b) Describe the functions in eukaryotic cells of lysosomes, ribosomes, and centrioles.
Beta decay is the type of radioactive decay in which the radioisotope emits a little negatively-charged and fast-moving particle from its nucleus. A beta particle is almost simila
Which of the following results from the elimination of the sliding clamp? A. DNA polymerase will no longer be processive and will fall off the double helix after synthesizing
Cortex can be described as follows 1) The outer part of the organ, such as, the adrenal cortex, which produces many steroidhormones; 2) in plants, the area of the stem or root
Which of the following does NOT contain a guanidinium group Select one: a. Urea b. arginine c. creatine d. guanidinium ion
what is agar shake method
Q. Outbreak of Staphylococcal food poisoning? Conditions necessary for outbreak of Staphylococcal food poisoning: • Presence of viable staphylococcal bacteria in the food
Q. What are the sources of dietary fibre in our diet? The sources of dietary fibre include whole grain cereals, legumes, whole pulses, leafy vegetables, vegetables like peas,
SIGNIFICANCE OF FERTILIZATION - 1. In fertilization process number of chromosome are diploid in zygote. 2. During fertilization male & female chromosomes are combi
Q. What are pericardium, pleura and peritoneum? Pleura are the membrane that covers the inner wall and the lungs of the chest pericardium are the membrane that covers the heart
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