(a) There was loss of biodiversity in an ecosystem due to a new construction project in that area. What would be its impact on the ecosystem? State any three.

(b) List any three major causes of loss of biodiversity?



Impacts of loss of biodiversity on the ecosystem:


  1. Decline in plant production
  2. Lowered resistance to environmental perturbations such as drought
  3. Increased variability in certain ecosystems – processes such as plant productivity, water use, pest and disease cycles.


  1. Habitat loss and fragmentation
  2. Over-exploitation
  3. Alien invasive species
  4. Co-extinctions.

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.