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Classification:
There were many similarities between things or phenomena which led to their classification. The first classifications were in terms of beings (the living), things (articles and substances, or non-living) and passions or actions. Here arose a kind of descriptive reasoning; if one of a class behaved in a particular way, it was likely that the other in the same class also behaved in the same way. Thus, the accumulation of knowledge and sifting of experiences had major impact on primitive biology and chemistry. Match the three general elements or features of science listed in column I with their associated techniques or practices in column 2 of the table given below. We have done one part of the exercise 'as an example.
So far, we have seen that the primitive society had developed a host of techniques for their material comfort. Archaeological records show that towards the end of the Stone Age, primitive human beings were using many facilities such as huts. sewn garments, bags and buckets. They had also evolved technical devices like canoes. hooks and harpoons, spears, slings, throwing sticks, boomerang etc(Fig.). Many of these are actively being used among some present-day tribes such as the Eskimos, African Bushmen, Australian aborigines and some Indian tribes.
Define Information Required for Management of Emergencies? Management or intervention needs accurate information about the actual situation and includes many non-nutritional co
Characters of vitamins: Vitamins are organic substances. They are micronutrients and are required in small quantities. They are not synthesised in the body and therefo
Problem: Evaluation of disabilities due to occupational diseases (a) Describe the following terms: "impairment", "disability "and "handicap" (b) Show how the evaluation o
Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4 Various protein-codi
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DIANCEPHALO N - Less visible. Occupies only 1% of brain's volume. Its lumen is diocoel or III ventricle. Roof is epithalamus . On it pineal body is present. Fl
In unilocular ovary with a single ovule the placentation is : 1. Marginal 2. Basal 3. Free Central 4. Axile Basal
In general compare and contrast the three functional classifications of joints according to movement. What are two characteristics that make synovial joints unique and different fr
Explain the repair mechanisms of brain Scientists are just beginning to understand how these innate repair mechanisms might be harnessed to treat disease. On leading edge of th
What is Rhizopus - Fungi? Rhizopus is a common laboratory contaminant. It is a spoiling mould and found frequently on the surface of bread, fruits and vegetables. It can grow a
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