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Biodiversity: Who cares?

Biodiversity: Who cares?. Which do you like better?. B. A. Which do you like better?. B. A. B. A. Which do you like better?. B. A. Which do you like better?. Which do you like better?. B. A. Which do you like better?. A. B. Which do you like better?. A. B.

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Biodiversity: Who cares?

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  1. Biodiversity: Who cares?

  2. Which do you like better? B A

  3. Which do you like better? B A

  4. B A Which do you like better?

  5. B A Which do you like better?

  6. Which do you like better? B A

  7. Which do you like better? A B

  8. Which do you like better? A B

  9. What do you think biodiversity means?

  10. Biodiversity What does “Bio” mean? Life Bio =

  11. Biodiversity What does “Diversity” mean? Diversity = Variety

  12. Biodiversity is… The variety of life on Earth The essential interdependence of all living things • Scientists have identified more than 2 million species. Tens of millions -- remain unknown • The tremendous variety of life on Earth is made possible by complex interactions among all living things including microscopic species like algae and mites.

  13. 3 components of Biodiversity Diversity of GenesChihuahuas, beagles, and rottweilers are all dogs—but they're not the same because their genes are different. Beagle Chihuahua Rottweilers

  14. 3 components of biodiversity Diversity of SpeciesFor example, monkeys, dragonflies, and meadow beauties are all different species. Golden Skimmer Meadow Beauty Saki Monkey

  15. 3 components of biodiversity Variety of EcosystemsPrairies, Ponds, and tropical rain forests are all ecosystems. Each one is different, with its own set of species living in it. Paines Prairie Florida Sand hill Pond Hoh Rain Forest

  16. Which is more diverse? B A

  17. Which is more diverse? B A

  18. B A Which is more diverse?

  19. B A Which is more diverse?

  20. Which has more cultural diversity? B A

  21. Which has more biodiversity? A B

  22. Which has more biodiversity? A B

  23. Biodiversity is Valuable! What do we get from biodiversity? Oxygen Food Clean Water Medicine Aesthetics Ideas

  24. Benefits of Biodiversity • More than 20,000 species have been used for medicinal purposes • 41% of prescription drugs in the USA have their active ingredients derived from living organisms (25% from plants, 13% from microorganisms, 3% from animals) • Over 70% of promising anti-cancer drugs come from plants in the rainforest

  25. Should we be concerned about biodiversity? What we know:The Earth is losing species at an alarming rate • Some scientists estimate that as many as 3 species per hour are going extinct and 20,000 extinctions occur each year. • when species of plants and animals go extinct, many other species are affected.

  26. Threats to biodiversity Habitat destruction Pollution Species Introductions Global Climate Change Exploitation

  27. Homework! • Read p. 377-383 in your text • Answer Q #1, 2, 4, 6

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