in the tragedy of the commons, the "commons" refers to a disputed border territory
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APES—Ecology , Cycle, and Tragedy of Commons 1) Sign in by period 2) Pick up an concept map and fill it in Remember to Shmoop at home or annotate and take quizzes in review book. In the tragedy of the commons, the "commons" refers to A disputed border territory. - PowerPoint PPT PresentationTRANSCRIPT
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APES—Ecology, Cycle, and Tragedy of Commons
1) Sign in by period
2) Pick up an concept map and fill it in
Remember to Shmoop at home or annotate and take quizzes in
review book
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In the tragedy of the commons, the "commons" refers to
A disputed border territory.B stolen goods or winnings.C any shared and limited resource.D any individual's private property.
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In the tragedy of the commons, the "commons" refers to
A disputed border territory.B stolen goods or winnings.C any shared and limited resource.D any individual's private property.
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What does commons mean?“Held in common” means the resource is owned by:
•No one…or•Owned by a group=all who have access to the resource.
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What is the “tragedy”?•“We can avoid tragedy only by altering our values.” Hardin, 1968
This means we can change the way we live (sustainably) by preserving our natural resources—even in the private sector.
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Sustainability…Meeting present needs oftoday’s populations without compromising the needs of future
generations.
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Lessons from Easter IslandForests were clear-cut for canoes, ropes and firewood.
Farms were stripped soils of available nutrients.
Bird, fish and porpoise populations dwindled to extinction by overhunting.
Blind to the impact that a growing population would have on the environment, inhabitants used up the island’s resources until there was nothing left.
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Food Web Food Chain
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“The day they parachuted cats into Borneo!”
Ecosystem Disaster and Intro to Case Studies
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The end of the story…
In the 1950's The World Health Organization (WHO) financed and supported the first ever team of over 14,000 parachuting cats into Borneo!
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When two species have a mutualistic relationship _____.
A they are both positively influenced
B they are both negatively influenced
C one is positively influenced and the other is negatively influenced
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When two species have a mutualistic relationship _____.
A they are both positively influenced
B they are both negatively influenced
C one is positively influenced and the other is negatively influenced
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The competitive exclusion principle says _____.
A no two species can occupy the exact same ecological niche at the same time
B the introduction of a non-native species will adversely affect the native species
C populations will stabilize at carrying capacity
D there must be more producers than consumers
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The competitive exclusion principle says _____.
A no two species can occupy the exact same ecological niche at the same time
B the introduction of a non-native species will adversely affect the native species
C populations will stabilize at carrying capacity
D there must be more producers than consumers
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Carbon Cycle
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Nitrogen Cycle
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Phosphorous Cycle
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Succession
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Which would be expected to appear first during secondary succession?
A mature tall trees
B low shrubs
C a mix of shrubs and trees
D grass
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All of the following are true concerning the characteristics of a climax community EXCEPTA there is a mixture of decomposers, producers, and consumers
B there are many different species of plants
C the adult plants are small in size
D most of the organisms are specialists in their niche requirements
E there is a large amount of biomass
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All of the following are true concerning the characteristics of a climax community EXCEPTA there is a mixture of decomposers, producers, and consumers
B there are many different species of plants
C the adult plants are small in size
D most of the organisms are specialists in their niche requirements
E there is a large amount of biomass
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Biomes
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Taiga/Borreal Rainforest