scientific method steps - Answers observation, hypothesis, prediction, test (experiment), results
sustainability is maintaining the ability to accommodate three important sources of change....
1. the ___ is changing
2. __ are changing
3. __ are changing the ___ - Answers world, we, we, world
composting and tilling under parts of plants that are not harvested on a farm is an example of - Answers
environmental sustainability
using solar panels on rooftops to generate electricity
best illustrates - Answers sustainability
dynamic homeostasis is the process by which systems ___ to changes in ways that ___ how much
features or processes vary from their normal values - Answers adjust, minimize
___ ____ directional change in a process that alters the system and reverses the direction of that change
- Answers negative feedback
Negative feedback refers to the __ of change, not to the value of the consequences of that change -
Answers direction
biotic components are the "___" components - Answers living
ecosystem integrity refers to the web of ___ that regulate ecosystem ___ and ecosystem ___ - Answers
interactions, functions, services
___ ____ refers to the web of interactions that regulate ecosystem functions and ecosystem services -
Answers ecosystem integrity
__ ___ is the flow of matter and energy and the processes influencing the distribution and abundance of
organisms - Answers ecosystem functions
a ___ ecosystem ___: the way that ecosystems control important processes and functions, such as
climate , the flow of water, and the absorption of pollutants - Answers regulating service
since ecosystems are open, natural ecosystems are typically influences by ___ ecosystems - Answers
surrounding
, Regular wildfires in many forests open up areas where new trees can grow. Eventually, these young
trees will refill the burned regions and the mature forest will be restored. This type of recovery best
illustrates __________ _____ in ecosystems. - Answers dynamic homeostasis
When human abuse of an ecosystem has changed it so much that the ecosystem can no longer return to
its previous state, that ecosystem has reached its__________. - Answers threshold of change
Two important sources of uncertainty in our understanding of the environment are __________. -
Answers ignorance and complexity
The scientific process has reduced uncertainty about our world through unbiased, reliable, and valid
testing. The component of the process that deals with comparisons is the __________. - Answers
control group
As human population and demands for resources have changed, our definition of sustainability has also
changed. One hundred and fifty years ago, human resource use was largely determined by human ___ &
________. - Answers needs and desires
Environmental science is best described as ________ - Answers studying all aspects of the environment
The current total world population has just passed ________. - Answers 7 billion
A ____ ecosystem service might be the beauty or inspiration provided by a forest. - Answers cultural
All the organisms and their physical and chemical environment within a specific area best describe
________. - Answers ecosystems
Environmental preservation is the strict setting aside of natural resources to ___ the use or contact by
___ or by human intervention. - Answers prevent, humans
this frameworks assigns intrinsic value only to humans.... - Answers anthropocentric ethics
Objecting to the rearing of domestic animals for food and leather is most consistent with _____ ethics. -
Answers biocentric
Providing tax credits for purchasing energy-efficient geothermal home heating and cooling is an example
of _____. - Answers incentive
In the state of Arizona, the use of groundwater has been aggressively managed since about 1980. Before
that time, agricultural, commercial, and private demands for water were growing at levels that were not
sustainable. Before water regulation of any sort, demand for water in all its forms in the state of Arizona
illustrated the _____. - Answers tragedy of commons
In a cap and trade program regulating green house gas (GHG) emissions, a company that emits ___
GHGs than the cap earns credits that can be sold to companies that ___ the cap - Answers fewer, exceed