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Explain the History of Animal Taxonomy?
The beginning of animal taxonomy was made by Aristotle (384-322 B.C.). He extensively studied about anatomy, embryology, habit and ecology. He was able to conclude that animals can be classified according to their way of living actions, habits and body parts. His major study includes:
i) Distinction of mandibulate from haustellate types,
ii) Winged from wingless forms among insects,
iii) Monitoring other animals like birds, fishes and whales. Orders like Coleoptera, Diptera and Psychae (now Lepidoptera) were created by him.
The epidemiology of acute rheumatic fever (ARF) is closely connected with that of group-A beta haemolytic streptococcal pharyngitis, both have a maximum incidence in the age group
what are the disadvantages of protozoa?
why roots grow downword
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Cytokines activate inflammatory cells like neutrophils and eosnophils.IL-5 is important in activation of eosnophils, IL-4 enhances IgE production by B-cells. IL-4, Il-5, IL-6, TNF-
State the term - Molybdenum Molybdenum is intimately related to nitrogen metabolism of plants. It is part of the nitrate reductase system which helps to utilise nitrate for n
Of which cells is the nervous tissue constituted? How is the generic function of this tissue related to the characteristics of the main cell type that forms it? The nervous tis
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