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Ch. 1 Sec. 3-4 Quiz (Hon Envi. Sci)
sections 3 and 4, quiz 10/9/17
Terms in this set (19)
Integrated systems that can be understood in terms of fundamental scientific principles
Matter and energy are neither ____________ nor __________
Ecosystems are always open to ________ and ________ of matter and energy
Processes are _______________ by interactions among their living and non-living components (biotic and abiotic)
Ecosystem change is __________ and ___________
Something cannot be created __________ _________, everything goes somewhere.
We can characterize ecosystem functions and make predictions about their future behavior
By measuring the amounts of matter in an ecosystem and the rates at which matter flows through it.....
Because flows of matter and energy influence ecosystem functions, ___________ matters
Ecosystems are ________
The nature of the ecosystems that surround it
Functions in an ecosystem are inevitably influenced by what?
The process by which systems adjust to changes in ways that minimize how much processes vary from their normal values
When directional change in a process alters the system in a manner that reverses the direction of that change (ex: algae in a pond)
Negative feedbacks __________ the ecosystem
When the directional change in a process alters the ecosystem so as to reinforce that change (ex: deforestation, erosion, global warming)
Diversity and __________ matter
Storms, floods, and fire
What are some examples of disturbances in ecosystems?
1) does not impair the functions of ecosystems or their ability to deliver services we depend on
2) conform to the law of mass and energy conservation
3) acknowledge the importance of boundaries
4) maintain homeostatic capacity
What 4 things make an action sustainable?
If it's amount in an ecosystem declines with virtually any use, it is _____________ (ex: oil)
1) beware of attempts to halt or alter the tempo of natural change
2) copy nature
3) be alert for tipping points
What are the 3 ways to embrace change?
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