54 terms

APES Friedland and Relyea Chapter 1


Terms in this set (...)

the sum of all the conditions surrounding us that influence life
environmental science
the field that looks at interactions among human systems and those found in nature
any set of interacting components that influence one another by exchanging energy or materials
a particular location on Earth whose interacting components include living or nonliving components
a person who participates in environmentalism
a social movement that seeks to protect the environment through lobbying, activism, and education
environmental studies
a broader field that environmental science is a subset of which it also includes, environmental policy, economics, literature, and ethics
ecosystem services
the processes by which life-supporting resources such as clean water, timber, fisheries, and agricultural crops are produced
environmental indicators
describe the current state of an environmental system
living on Earth in a way that allows us to use its resources without depriving future generations of those resources
the diversity of life forms in an environment
the evolution of new species
background extinction rate
the average rate at which species go extinct over the long term
greenhouse gases
heat-trapping gases in the atmosphere
effects derived from human activities
improvement in human hell-being through economic advancement
sustainable development
development that balances current human well-being and economic advancement with resource management for the benefit of future generations
ecological footprint
a measure of how much that person consumes, expressed in area of land
scientific method
an objective way to explore the natural world, draw inferences from it, and predict the outcome of certain events, processes, or changes
a testable conjecture about how something works
null hypothesis
a statement or idea that can falsified, or proved wrong
the process of taking several sets of measurements
sample size
number of times a measurement is replicated or the number of sets of measurements
an estimate of how much a measured or calculated value differs from a true value
inductive reasoning
the process of making general statements from specific facts or examples
deductive reasoning
the process of applying a general statement to specific facts or situations
critical thinking
the process of reading findings with a critical eye; questioning the source of the information, considering the methods of processes that were used to obtain the information, and drawing your own conclusions
a hypothesis that has been repeatedly tested and confirmed by multiple groups of researchers and has reached wide acceptance
natural law (Scientific law)
a theory to which there are no known exceptions and which has withstood rigorous testing
control group
a group that experiences exactly the same conditions as the experimental group, except for the single variable under study
natural experiment
occurs when a natural event acts as an experimental treatment in an ecosystem
environmental justice
a social movement and field of study that works toward equal enforcement of environmental laws and the elimination of disparities, whether intended or unintended, in how pollutants and other environmental harms are distributed among the various ethnic and socioeconomic groups within a society
Individuals of a given species living in a given area at a given time.
Individuals with similar genetic makeup and behavior able to naturally reporduce with each other.
Genetic diversity
Degree of genetic variation within a species
Species diversity
Degree of variation of species iwthin an area usually ecossystem
Changing in a popuation over time
Cease to exist
Food production
Biomass of food created in an area over a designated period
A stock or supply of money, materials, staff, and other assets that can be drawn on by a person or organization in order to function effectively
Resource depletion
Using up of a resource
human want
something desired by humans
Human need
something needed by humans in order to survive
degree of closeness to actual value
degree of variation in a measurement
Standard deviation
a measure of variation in a measurement
Independent variable
Variable manipulated by investigator
Dependent variable
Variable measured by investigator
Controlled or Standard Variables
Condition kept the same between the experimental group(s) and the control group(s)
Experimental group
group(s) receiving the independent variable
Control group
group used as a standard to determine efficacy of independent variable
A minimum or starting point used for comparision

Flickr Creative Commons Images

Some images used in this set are licensed under the Creative Commons through Flickr.com.
Click to see the original works with their full license.