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Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 8

What is bio-indicator? How does it help human beings? - Science

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What is bio-indicator? How does it help human beings?

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Solution

  1. A bio-indicator or biological indicator is any species or group of species whose function or status reveals the qualitative status of the environment.
  2. Biological indicators are used to document and understand changes in Earth’s living systems especially changes caused by the activities of an expanding human population.
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Bio-indicators
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Chapter 21: Crop Production and Management - Exercises [Page 258]

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Samacheer Kalvi Science [English] Class 8 TN Board
Chapter 21 Crop Production and Management
Exercises | Q IV. 5. | Page 258
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