NATURE’S MEDICINE CABINET . CHAPTER 9 BIODIVERSITY. Will the bark of an ordinary tree in Samoa become a cure for cancer?. Do Now. Why is biodiversity important? Be specific. What do we “get” from nature? Be specific. What W e G et From Nature. Nature’s Medical Cabinet.
CHAPTER 9 BIODIVERSITY
Will the bark of an ordinary tree inSamoa become a cure for cancer?
The study of how different cultures usethe plants in their local environment
“Mother Nature is the ultimate chemist.”
A measure of all of the plant, animal& microbial species in an area or on Earth
We don’t really know!
1.8 million species are known, but there could be ~100 millionstill to be discovered.
What would it cost to buy all of the
ecosystem services we get for freefrom nature?
recreation (parks, etc.)
80% of Samoa’s tropical oasis of biodiversity and medical cures has been lost due to deforestation.
Plants and animal species that exist onlyat one location on Earth
Regions that contain large numbersof endemic and threatened species.
The 1973 law protecting biodiversity inthe United States
Single Species Approach
Developing nation’s foreign debt paidby preserving its natural areas
“There is a strong link between the health of forests and the health of humans. If peopleunderstand that a rainforest might contain thebest cures for diseases that plague us, they willcare a whole lot more about saving it.”