Download - Biodiversity who cares slide show
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Biodiversity: Biodiversity:
Who cares?Who cares?
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Which do you like better?Which do you like better?
A B
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Which do you like better?Which do you like better?
A B
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Which do you like better?Which do you like better?
A B
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Which do you like better?Which do you like better?
A B
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A B
Which do you like better?Which do you like better?
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A B
Which do you like better?Which do you like better?
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A B
Which do you like better?Which do you like better?
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What do you think biodiversity What do you think biodiversity means?means?
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Bio =
BioBiodiversitydiversity
What does “Bio” mean?
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BioBiodiversitydiversity
Diversity = Variety
What does “Diversity” mean?
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BiodiversityBiodiversity is the is the variety of lifevariety of life on on Earth and the Earth and the essential essential
interdependence of all living thingsinterdependence 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.
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There are 3 components of There are 3 components of biodiversity biodiversity
1.1. Diversity of genesDiversity of genesChihuahuas, beagles, and rottweilers are all dogs—but Chihuahuas, beagles, and rottweilers are all dogs—but
they're not the same because their genes are different.they're not the same because their genes are different.
ChihuahuaChihuahua BeagleBeagle
RottweilersRottweilers
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Diversity of speciesDiversity of speciesFor example, monkeys, dragonflies, and For example, monkeys, dragonflies, and meadow beauties are all different species. meadow beauties are all different species.
Saki Monkey Golden Skimmer Meadow Beauty
There are 3 components of There are 3 components of biodiversity biodiversity
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Variety of ecosystemsVariety of ecosystemsPrairies, Ponds, and tropical rain forests are all Prairies, Ponds, and tropical rain forests are all ecosystems. Each one is different, with its own set of ecosystems. Each one is different, with its own set of species living in it.species living in it.
Paines Prairie
Hoh Rain Forest
Florida Sand hill Pond
There are 3 components of There are 3 components of biodiversity biodiversity
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Which is more diverse?Which is more diverse?
A B
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Which is more diverse?Which is more diverse?
A B
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Which is more diverse?Which is more diverse?
A B
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A B
Which is more diverse?Which is more diverse?
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A B
Which has more cultural Which has more cultural diversity?diversity?
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Which has more biodiversity?Which has more biodiversity?
A B
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Which has more biodiversity?Which has more biodiversity?
A B
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Biodiversity has Intrinsic Value
Intrinsic Value = Something that has value in and of itself
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Biodiversity also has utilitarian Biodiversity also has utilitarian ValueValue
Utilitarian Value = the value something has as Utilitarian Value = the value something has as a means to anothera means to another’’s end.s end.
Utilitarian values include:• Goods• Services• Information
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What do we get from What do we get from biodiversity?biodiversity?
OxygenOxygen
FoodFood
Clean WaterClean Water
MedicineMedicine
AestheticsAesthetics
IdeasIdeas
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Should we be concerned about Should we be concerned about biodiversity?biodiversity?
What we know:What we know: The Earth is losing species at an alarming rateThe Earth is losing species at an alarming rate
Some scientists estimate that as many as 3 Some scientists estimate that as many as 3 species species per hour are going extinct and 20,000 extinctions occur per hour are going extinct and 20,000 extinctions occur
each year.each year. when species of plants and animals go extinct, many when species of plants and animals go extinct, many
other species are affectedother species are affected. .
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Threats to biodiversityThreats to biodiversity
Habitat destructionHabitat destruction
PollutionPollution
Species IntroductionsSpecies Introductions
Global Climate ChangeGlobal Climate Change
ExploitationExploitation