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In the last unit we traced the human evolutionary history mostly from a palaeontological viewpoint. Although still fragmentary, the available fossil evidence makes it possible to construct a more or less coherent story of human origin and its development. Besides suggesting a primate ancestory, fossil evidence has indicated various trends in human evolution. Today the modern man is regarded as a climax of the evolutionary process. But several questions are raised as to which direction the human evolution is proceeding now and what direction will it take in the future. Is the be-all and end-all of all the evolutionary process? Or do human beings continue to evolve biologically? It may not be possible to provide a direct answer to these questions since evolution is a long term process and the effects could be visualised only after tens of thousands of years.
Explain biomaterial implantation When a biomaterial is introduced into the host, in addition to a host response there is also a material response. Immediately on implantation,
Define Risk management Risk management is defined for the purposes of the Codex Alimentations Commission as "the process, distinct from risk assessment, of weighing polic
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Define General Characters and Classification of Arthropoda? These are metamerically segmented animals with an exoskeleton of cuticle. Scliizocoelic coelom is much reduced and is
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a_molecule can be dissolved in water solution but a _molecule does not mix with water
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