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While explaining the concept of natural selection, we have stressed the fact that natural selection is synonymous with differential or non-random reproduction. Natural selection aims at the multiplication of those genes that contribute to the reproductive success of the population. In other words, if any gene does not in any way contribute to the reproductive success of the species, the chances are it may be eliminated from the population. Certain critics of Darwin pointed out that the common altruistic behaviour of individuals provided evidence contrary to the theory of natural selection, Whether it is so or not, will be discussed in the following subsections.
Q. What are varices? Why are they more common in the inferior limbs? Varix means abnormal enlargement of veins and the Varices occur when excessive pressure against the normal
Reaction - Processes in Succession This is the most important stage in succession. The mechanism of modification of environment, through the influence of living organisms on i
What is the positive atom referred to in ionic bonds and write a monovalent and divalent example.
Explain about the Maurice Theory according to corneal transparency. Maurice Theory: The uniform collagen fibrils are arranged in regular lattice pattern separated b
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Select the processes assist in the maintenance of high levels of dissolved solutes in the interstitial spaces of the kidney medulla? A. Net flux of sodium ions from intracellul
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