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CBSE Class 12-science Answered

in human health and disease  all parasites are pathogens or most parasites are pathogens?
Asked by asaithambi.krc | 29 Apr, 2020, 14:10: PM
answered-by-expert Expert Answer
  • Majority of the parasites harm the host; they may reduce the survival, growth and reproduction of the host and reduce its population density. 
  • Pathogens are disease-causing microorganisms which get benefit by causing harm to host organism.
  • But it turns out that some parasites, although potentially harmful in isolation, can in fact help hosts to cope with more deadly infections.
  • Therefore, some and not all parasites are pathogens.
 
Answered by Sheetal Kolte | 29 Apr, 2020, 18:43: PM

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