1. Humans & the Environment
Part 2: Biodiversity

2. INTERESTING FACTS
“Scientists estimate that there are between 10 million to 100 million organisms on Earth. Only 1.4 million have been indentified.” -Science Q&A Ecosystems
“About 118 of the top 150 prescription drugs in America contain chemicals derived from plants, fungi and other species.” -International Biodiversity Observation Year
“Insects pollinate crops worth $6-12 billion a year in the USA.”
-International Biodiversity Observation Year
“Scientists estimate that species extinctions are occurring 100 to 1000 times faster than without human influence. Without a change in our actions half of the world's species may be lost by 2100.” -International Biodiversity Observation Year
“In the USA alone, nearly 4,500 known species are threatened with extinction.” -International Biodiversity Observation Year

3. BIO di VERSITY

4. Look at pages !

5. BIODIVERSITY: THREATS VALUE CONSERVATION: STRATEGIES CHALLENGES
sum total of the genetically based variety of all organisms in the biosphere
CONSERVATION:
STRATEGIES
CHALLENGES

6. ANSWERS BIODIVERSITY: VALUE Altering habitats
THREATS
VALUE
BIODIVERSITY:
Altering habitats
(Habitat Fragmentation)
Hunting species to extinction
Introducing toxics to food webs
Introducing invasive species
Earth’s greatest natural resource
Food
Industrial products
Medicines
sum total of the genetically based variety of all organisms in the biosphere
STRATEGIES
CONSERVATION:
CHALLENGES
To describe the wise management of natural resources &
Preservation of habitats and wildlife
Endangered Species Preservation Act
Captive Breeding Programs
National parks, forests, & other protected areas
Saving the tropical rain forests in developing countries
Locating problem areas (“hot spots”)
Making a priority list