Those with this ethical position see ethical dilemmas as situational, not absolute.
What are relativists?
100
This consists of all the organisms and nonliving entities that occur and interact in a particular area at a particular time.
What is an ecosystem?
100
Any activity that occurs naturally in an ecosystem and provides benefit to humans. Nutrient cycling is an example.
What are ecosystem services?
100
This is the study of ecosystems.
What is ecology.
100
This is the term used to describe an organism's role in the ecosystem.
What is a niche?
200
This expression is intended to represent the land, water, & energy required to provide resources for a person and to dispose of the waste they create.
What is an ecological footprint?
200
In many ecological systems, these serve as stabilizing influences, returning the system to a set point.
What is a negative feedback loop?
200
In feedback loops contribute to the maintenance of _______________.
What is homeostasis?
200
This is the type of growth exhibited by natural populations over long periods of time as they are influenced by both density dependent and independent factors.
What is logistic growth?
200
This is the population size that a given ecosystem can support indefinitely.
What is carrying capacity?
300
These two events, although widely spaced, are considered to have triggered the human population explosion.
What are the agricultural and industrial revolutions?
300
Although naturally found in the atmosphere, this greenhouse gas is the most serious influence on global climate change.
What is carbon dioxide?
300
What form of diet has the smallest environmental impact? Be specific!
What is vegan?
300
This is the unit of ecological organization that evolves.
What is a population?
300
Most of the organisms that we experience in everyday life have wide ranges of tolerance for various limiting factors. Consequently, we refer to them as this.
What are generalists?
400
This ecocentrist was the Author of the Land Ethic and A Sand County Almanac.
Who is Aldo Leopold?
400
The study of organic compounds is very important in environmental science, specifically because fossil fuels consist of this class of organics.
What are hydrocarbons?
400
Fossil fuels are this form of energy.
What is chemical energy?
400
What is the source of all variation within and between species?
What is mutation?
400
Based on measures of changing biodiversity, scientists have concluded that we are on the verge of the next mass extinction, due to what?
What is humanity?
500
Associated with the preservation ethic, this key figure in the history of environmentalism helped establish the Sierra Club.
Who is John Muir?
500
These are the two major nutrients that contribute to nutrient pollution.
What are nitrogen and phosphorous?
500
Ecosystems with high primary productivity have a lot of what process occurring?
What is photosynthesis?
500
This term is used to describe the evolution of species in response to each other. Examples include symbiosis and predator/prey relationships.
What is coevolution?
500
This is a better measure of populations than a simple count, because it incorporates the space in which the population exists.