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Biological diversity( science)
Biological diversity( science)
Biological diversity( science)
Biological diversity( science)
Biological diversity( science)
Biological diversity( science)
Biological diversity( science)
Biological diversity( science)
Biological diversity( science)
Biological diversity( science)
Biological diversity( science)
Biological diversity( science)
Biological diversity( science)
Biological diversity( science)
Biological diversity( science)
Biological diversity( science)
Biological diversity( science)
Biological diversity( science)
Biological diversity( science)
Biological diversity( science)
Biological diversity( science)
Biological diversity( science)
Biological diversity( science)
Biological diversity( science)
Biological diversity( science)
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Biological diversity( science)

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K J Somiaya Comprehensive College of education. PPT presentation of CAP

K J Somiaya Comprehensive College of education. PPT presentation of CAP

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  • 1.  Presented By : Fatima Khair Subject : Science Standard : VIII Topic : Biological Diversity K.J.Somaiya Comprehensive college of Education,Training and Research
  • 2.  
  • 3.  
  • 4.  
  • 5. <ul><li>Meaning </li></ul><ul><li>Loss of biodiversity </li></ul><ul><li>Conservation of biodiversity </li></ul>Content
  • 6. <ul><li>Biodiversity is the great variety of species that exist on the earth </li></ul>Meaning:
  • 7. <ul><li>All the species are interdependent on each other </li></ul>Why is biodiversity important?
  • 8. <ul><li>Loss of a single species can begin a chain reaction of destruction </li></ul>
  • 9. <ul><li>Contributes to 8% of total number of Species i.e 1.75 million (as per Global Biodiversity Assesment of UNEP-1995) </li></ul>Status of Biodiversity in India
  • 10. Reasons for loss of biodiversity
  • 11. <ul><li>Main reason for loss of biodiversity </li></ul>1. Population explosion
  • 12. <ul><li>Single crop method of </li></ul><ul><li>farming </li></ul>
  • 13. <ul><li>Most critical threat to marine biodiversity </li></ul>2.Habitat destruction
  • 14. <ul><li>Oil pollution (Exxon Valder accident in Alaska) </li></ul>3.Pollution
  • 15. <ul><li>Dumping of garbage at sea </li></ul>
  • 16. 4.Global warming
  • 17. <ul><li>Potent threat to biodiversity </li></ul><ul><li>Endemic species not able to survive </li></ul>5.Exotic species
  • 18. <ul><li>One – eight of plant species are threatened with extinction </li></ul><ul><li>1,40,000 species are lost every year </li></ul><ul><li>Up to 2030, 50% of Earth’s species are estimated to become extinct </li></ul>Effect of loss of biodiversity
  • 19. 1.Creating National Parks and Sanctuaries Sunderban national park Bird sanctuary Conservation of biodiversity
  • 20. 2.Declaring some areas as biodiversity zones
  • 21. 3.Undertaking certain projects to nurture specific species
  • 22. <ul><li>1.What is the meaning of biodiversity? </li></ul><ul><li>Ans: The great variety of species that exist in the earth. </li></ul><ul><li>2.Why is it important? </li></ul><ul><li>Ans: All species are interdependent on each other and a loss </li></ul><ul><li>of single species can begin a chain reaction of </li></ul><ul><li>destruction </li></ul>Evaluation
  • 23. <ul><li>3.What are the reasons for loss of biodiversity? </li></ul><ul><li>Ans: Population explosion,habitat destruction,global </li></ul><ul><li>warming etc. </li></ul><ul><li>4.How has global warming affected biodiversity? </li></ul><ul><li>Ans: Global warming has resulted in climate change at such </li></ul><ul><li>a fast pace that it has become impossible for species to </li></ul><ul><li>adapt to it. </li></ul>
  • 24. <ul><li>5.What are the measures taken to conserve biodiversity? </li></ul><ul><li>Ans: Creating National Parks and Sanctuaries, declaring </li></ul><ul><li>some areas as Reserved Biodiversity Zones etc. </li></ul><ul><li>6.Why is biodiversity conservation “need of the hour”? </li></ul><ul><li>Ans: So many plants and animals are headed towards </li></ul><ul><li>extinction. To maintain the ecological balance every </li></ul><ul><li>species is equally important. </li></ul>
  • 25. THANKYOU

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