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Biodiversity forms the basis for human existence in the following ways:

1. Soil formation

2. Prevention of soil erosion

3. Recycling of waste

4. Pollination of crops

Select the correct answer using the codes given below


1. 1, 2 and 3 only
2. 2, 3 and 4 only
3. 1 and 4 only
4. 1, 2, 3 and 4

1 Answer

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Best answer
Correct Answer - Option 4 : 1, 2, 3 and 4

The correct answer is 1, 2, 3 and 4.

  • Biodiversity: 
    • Biodiversity is the variety of all living organisms on Earth.
    • This includes terrestrial, marine and other aquatic ecosystems and the ecological complexes which they are part of.
    • This diversity can occur between species, within species and ecosystem level.
    • Biodiversity is important to our existence and is valuable in its own right.
    • It forms the foundation for an array of ecosystem services which are critical to human well-being.
  • Why is biodiversity important?
    • Biodiversity helps to boost ecosystem productivity, each species no matter what size, have their own important role to play.
    • Healthy biodiversity provides a number of natural services to the human population including:
      • Ecosystem services:
        • nutrient storage and recycling
        • pollution breakdown and absorption
        • soil formation and protection
        • protection of water resources
        • Pollination of crops
        • Prevention of soil erosion
      • Biological resources:
        • Food
        • Medicinal resources and pharmaceutical drugs
        • Future resources
        • Ornamental plants
      • Social benefits:
        • Research, education and monitoring
        • Recreation and tourism
        • Cultural values

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