Waste
Soil
Biodiversity
Ecology
Population
100
Primary method of solid waste disposal in the U.S.
What is landfilling?
100
Increased use of pesticides to eradicate genetically resistant pests.
What is pesticide treadmill?
100
Method of commercially harvesting of trees that results in fragmented landscape and harms biodiversity.
What is clear-cutting?
100
A species whose presence and role in an ecosystem is disproportionaty important to other organisms within the system.
What is keystone species?
100
(Births - Deaths) + (Immigration - Emigration) ______________________________________ Total Population
What is growth rate?
200
The liquid contamination that may leak out of landfills. AKA "trash juice".
What is leachate?
200
The concentration of a persistent toxin increases as it moves up trophic levels.
What is biomagnification?
200
Treaty controlling the international trade in endangered species.
What is CITES (Convention on the International Trade in Endangered Species)?
200
The enrichment of water with nutrients.
What is eutrophication?
200
Stage of demographic transition in which the greatest population growth takes place.
What is transitional?
300
Method of trash disposal that reduces volume of wastes but may release toxic emissions into the atmosphere.
What is incineration?
300
Process by which a soil nutrient is reduced and released to the atmosphere as a gas.
What is denitrification?
300
Greatest threat to biodiversity.
What is habitat loss?
300
The process in which ammonia is convereted to nitrites and nitrates.
What is nitrification?
300
The maximum number of individuals that can be supported by a particular ecosystem on a long-term basis.
What is carrying capacity?
400
Federal law that regulates hazardous materials from their production to their disposal ("cradle to grave").
What is RCRA?
400
Method of irrigation that results in the loss of the least amount of water by evaporation.
What is drip irrigation?
400
Trade-off approach to addressing an environmental issue. (A wetland is destroyed to build a highway, so a new wetland is created in another location.)
What is mitigation?
400
The number of different species living in an ecological community.
What is species richness?
400
The average number of children a woman has in the course of her lifetime.
What is total fertility rate?
500
The use of plants to absorb toxic materials from the soil.
What is phytoremediation?
500
The smallest of the soil particle classifications.
What is clay?
500
Organism that is introduced to a new ecosystem and becomes a pest by outcompeting native species.
What is invasive (or exotic) species.
500
The process by which ammonium and nitrate ions are absorbed by plants and used to make molecules such as DNA and proteins.
What is assimilation?
500
How to calculate doubling time.
What is 70/growth rate?
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