(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?
Answer:
Impacts of loss of biodiversity on the ecosystem:
(a)
- Decline in plant production
- Lowered resistance to environmental perturbations such as drought
- Increased variability in certain ecosystems – processes such as plant productivity, water use, pest and disease cycles.
(b)
- Habitat loss and fragmentation
- Over-exploitation
- Alien invasive species
- Co-extinctions.
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